owners manual
Contents
1. 1 2 Align mounting hole in pistol grip with threaded hole in rear of the receiver Slip washers on bolt Insert bolt through pistol grip into hole in receiver Finger tighten bolt to insure threads are properly engaged If you encounter difficulty unscrew bolt and repeat procedure Using Allen wrench supplied tighten bolt very snugly To install the swivel stud screw the stud into the hole on the left hand side of the pistol grip until tight The stud is self tapping Align the stud through hole to the desired position Use caution not to over tighten the stud as this may strip the threads in the pistol grip Upon firing recoil force will cause the firearm to move rearward and upward Never hold the firearm at eye level and attempt to sight down the barrel To avoid possible injury grip the firearm securely with one hand on the forearm and one hand on the pistol grip Pistol grip models are designed to be held at waist level when firing BEFORE CLEANING OR REMOVING THE SPEEDFEED STOCK SPEEDFEED STOCK a Move the safety button fully rearward to the ON SAFE position and keep muzzle pointed in a safe direction b Open the action visually and physically check chamber elevator and magazine tube to be certain the firearm is unloaded The stock springs and followers should be removed periodically and the tubes and parts cleaned to remove debris Do not lubricate these parts Y The recoil pad on the speedfe2. trigger A A CYCLING THE ACTION Should the shotshell fail to fire keep the firearm pointed in a safe direction and move the safety button fully rearward to the ON SAFE position Wait afew moments and then remove the misfired shell and keep separate from other ammunition Do not attempt to refire a misfired round Ifat any time during firing the sound of any shell is noticeably louder or softer than the previous shells fired STOP Do not load or fire additional shells until you have put safety in the ON SAFE position and safely unloaded your firearm Inspect the firearm for possible damage or obstructions in the chamber or bore The bore is the inside surface of the barrel Firing the shotgun with a bore obstruction can cause damage to the firearm and may result in serious personal injury to the shooter and or others nearby To eject a shotshell case pull the forearm completely rearward The spent case or unfired shotshell will eject out of the receiver through the ejection port A A Besurethatall observers are clear of the path of ejection Empty cases are thrown out with significant force and could cause injury To chamber a live shotshell from the magazine push the forearm fully forward Remember whenthemagazinetubeis loaded andthe actionis cycled aliveshotshell willbe chambered Always keep the safety in the ON SAFE position untilyou have actually decided to fire UNLOADING Movet
3. Manual and the contents of the Muzzleloading Barrel Owner s Manual You have a responsibility to obtain proper training on how to use and maintain your firearm Certified and reputable instructions are offered by the National Rifle Association The National Muzzleloading Rifle Association Black Powder Association as well as state and local organizations Seek guidance from an instructor who is qualified by one of these organizations Be certain the shotgun Owner s Manual and the Muzzleloading Barrel Owner s Manual are available for reference and supplied with the shotgun and or the Muzzleloading Barrel if transferred to another party If either manual is lost or misplaced request a free replacement copy from Mossberg gt gt gt gt Consult your local Department of Natural Resources and Wildlife or guidelines to confirm that this muzzleloading product will conform to local seasonal and legal requirements 20 SERVICE INSTRUCTIONS Should your firearm or any component of your firearm require service kindly ship your entire firearm please do not send components only via your chosen carrier postage paid we do not accept C O D shipments following these instructions Make absolutely certain your firearm is unloaded Do not send ammunition with your firearm Remove all accessories from your firearm such as scopes slings swivels mounts etc Ship your firearm in a suitable container packaging it securely to prev
4. The ejector must fit into the corresponding slot in the bolt Fig 11 Push the elevator down until it rests against the bolt Position the rear of the bolt assembly even with the rear of the clearance cuts in the sides of the receiver Fig 13 B 11 Position action bars so the notch on the bar is even with the cuts on the inside receiver walls Fig 13 A The bolt slide should be positioned with the slotted side facing up with notch to the rear Fig 13 Assemble the bolt slide lowering the front of the bolt slide first The bolt slide protrusion fits into the corresponding cut on the bottom of the bolt lock and action bar slots Fig 13 C Hold the bolt slide down and pull the forearm assembly forward The bolt and bolt slide should move freely in their cuts in the receiver If parts do not slide easily DO NOT FORCE disassemble and reassemble paying attention to the relationship of the bolt bolt slide and action slide bars CLEARANCE e gt ACTION SLIDE BAR BOLT SLIDE sor BOLTLOCK Receiver Fig 13 Position the cartridge stop and cartridge interrupter in their proper places on the inside walls of the receiver Fig 9 The hooks must face inward toward the center of the cavity away from the receiver walls TRIGGER HOUSING ASSEMBLY INSTALLATION NOTE Hammer must be in the fully cocked position to allow the trigger housing to be inserted in the receiver Hold the cartridge stop and cartridge i
5. disassembly and cleaning Move the safety button fully rearward to the ON SAFE position and visually Depress the action lock lever Fig 3 and open the action by sliding the forearm fully rearward Movethe forearm slowly forward from the fully rearward position untilthefrontoftheboltisinthe middle of the ejection port Fig 7 EJECTION PORT MAGAZINE SPRING RETAINER MAGAZINE CAP 835 590 TAKEDOWN SCREW MODEL 500 535 Fig 7 Removal of barrel CAUTION The 590 and 835 Model magazine spring retainers and springs are under significant spring pressure Use caution should removal be necessary to prevent injury to yourself or others around you 590 and 835 Unscrew the magazine cap by turning it counterclockwise Models Removethe barrel from the receiver with a gentle back and forth rotational movement while pulling the barrel out of the receiver assembly 500 505 and Loosenthe takedown screw by turning it counterclockwise until the screw 535 Models threads are completely disengaged from the end of the magazine tube Fig 7 Removethe barrel from the receiver with a gentle back and forth rotational movement while pulling the barrel out of the receiver assembly TRIGGER HOUSING ASSEMBLY REMOVAL Position the shotgun on a clean surface with the trigger guard upward With a blunt object greater than 3 16 4 76 mm diameter push out the small diameter trigger housing retainer
6. flush fitting or extended choke tubes designed for use with LEAD or STEEL shot Each durable tube is clearly marked as a guide with the lead and the steel shot pattern it will produce To remove achoke tube from the muzzle of the barrel loosen with the choke wrench provided turning it counterclockwise When choke tube is loosened remove it completely with fingers Put choke tube on a clean dry surface To install choke tube screw the tube clockwise into barrel by hand and then tighten the tube until snug with choke wrench Flush fitting tubes fit competely inside the barrel when properly installed Do not use excessive force when installing Tube tightness should be checked periodically ACCU MAG CHOKE TUBES Extended Or ITEM LEAD SHOT PATTERN STEEL SHOT PATTERN Flush Fitting 95256 Skeet Skeet Flush 95252 Improved Cylinder Mod T amp F Flush 95270 Improved Cylinder Mod T amp F Ext Port 95253 Modified Mod 2 amp BB Flush 95280 Modified Mod 2 amp BB Ext Port 95254 Full Full 2 amp BB Flush 95290 Full Full 2 amp BB Ext Port 95255 X Full Steel X Full Steel Flush 95251 XX Full Turkey Lead Only Do Not Use Flush 95258 Ulti Full Turkey Do Not Use Ext Port 95257 Ulti Full Turkey Do Not Use Ext Lead steel and other non toxic shot patterns will vary substantially depending on shell length shot size brand of ammunition and the individual barrel The shooter is urged to conduct pat
7. pin located on the side of the receiver approximately a 1 2 12 7 mm below the rear of the trigger guard Fig 8 Remove the trigger housing assembly by lifting the rear portion upward first The trigger housing assembly is a complex assembly and must not be disassembled Disassembly should only be performed at an authorized Product Service Center or by a qualified gunsmith TRIGGER HOUSING LUGS RECEIVER SLOT HOLE FOR TRIGGER HOUSING PIN Fig 8 Do not pull the trigger and allow the hammer to fall when the trigger housing assembly is removed from the receiver To do so may result in personal injury and or damage to the assembly CAUTION Field disassembly is now complete The firearm should not be disassembled any further for routine cleaning or maintenance Further disassembly should only be performed at an authorized Product Service Center or by a qualified gunsmith CAUTION Before performing any further disassembly take time to study how the internal components are arranged inside the receiver DISASSEMBLY OF INTERNAL RECEIVER COMPONENTS CAUTION Pay special attention to the position of the bolt bolt slide and action slide bar assembly during this portion of the disassembly as the parts must be inthe same relationship during reassembly Remove the cartridge interrupter from the ejection port side and cartridge stop from the opposite side It may be necessary to tap the sides of the receiver lightly to
8. release these parts Fig 9 CARTRIDGE INTERRUPTER CARTRIDGE STOP BOLT SLIDE ACTION SLIDE BAR Fig 16 Bolt slide removal Move the forearm action slide assembly rearward so that the bolt assembly and bolt slide are three quarters of the way rearward When the bottom of the bolt slide is aligned with the clearance cuts in the sides of the receiver lift the bolt slide upward and out of the receiver Fig 10 Remove the bolt assembly by sliding it forward and out of the receiver assembly through the barrel opening at the front of the receiver Fig 11 A NOTE The safety button located on the upper rear of the receiver must be fully rearward in the ON SAFE position to remove the elevator assembly Fig 2 Pivot the front portion of the elevator upward out of the receiver Fig 11 B Squeeze the two arms which form the open end of the elevator assembly together sufficiently to disengage and remove the elevator from the receiver Fig 11 C Fig 11 Elevator removal Remove the forearm action slide assembly by sliding it forward and off the magazine tube CAUTION Field disassembly is now complete The shotgun should not be disassembled further for routine cleaning or maintenance Further disassembly should only be performed at the factory or by a qualified gunsmith CLEANING AND LUBRICATION With proper maintenance and care your Mossberg firearm will provide you with years of dependable service Your fire
9. Move the safety button fully rearward to the ON SAFE position and keep muzzle pointed in a safe direction b Open the action visually and physically check chamber elevator and magazine tube to be certain the firearm is unloaded Do not use bent or deformed choke tubes as these may result in tube or barrel A damage upon firing which may cause serious personal injury Inspect choke tubes periodically to insure they are properly installed and in good condition Pay special attention to the threaded end of the choke tube to be certain it is not deformed or dented Never fire this firearm without a choke tube properly installed Failure to do so will damage the precision threads on the inside of the barrel Firing this firearm with loose choke tubes may lead to damage to the choke tube and barrel as well as serious personal injury gt 17 CARE amp CLEANING The precision threads on your choke tube should be kept clean and lightly oiled at all times During cleaning of the barrel be certain a choke tube is properly installed This will avoid residue build up on threads Extra Full choke tubes are not recommended for use with buckshot or slugs The Improved Cylinder choke tube will usually produce the best accuracy with most slugs ACCU CHOKE TUBES ACCU CHOKE TUBES are designed for use with LEAD or STEEL shot Each durable choke tube is clearly marked as a guide with the pattern it will produce REM
10. OM THE FACTORY Learn to clean your firearm thoroughly and make certain no oil grease or other materials are blocking the barrel Obstructions of any kind can cause damage to the firearm and may result in serious personal injury to the shooter and or others nearby Practice proper firearm maintenance and safety Make sure all exposed metal surfaces are coated with a thin film of oil especially after exposure to damp weather See proper section of this manual for cleaning instructions Do not plug barrel or store in fabric lined case which will absorb lubricants from the firearms Before using after storage follow complete instructions stated in this manual for refamiliarization with the firearm A thorough inspection and function test should be performed before going into the field Have your firearm periodically checked by a qualified gunsmith PART NO 12173 REV Q A note about the warnings and information contained in this Manual We strongly suggest that you check with your local licensed retailer or state police for additional information concerning firearms ownership or hunting or target shooting rules that may be required by local law or regulation Since such rules and regulations are subject to change local authorities are in the best position to advise you on such matters TABLE OF CONTENTS Page Operating INSTUCTIONS en 2 Safety uc Mewes 2 Barrel Assembly ae ans see ee en 3 4 Magaz
11. OVE CHOKE TUBE Loosen with choke wrench provided turning it counterclockwise When the choke tube is loosened remove it completely with your fingers Place choke tube on a clean dry surface TO INSTALL CHOKE TUBE Screw the tube clockwise into barrel by hand and then tighten the tube until snug with the choke wrench Flush fitting tubes fit completely inside the barrel when properly installed Do not use excessive force when installing Tube tightness should be checked periodically A Tube tightness should be checked periodically ACCU CHOKE TUBES Extended Or GAUGE ITEM LEAD SHOT PATTERN Flush Fitting 12 95235 Skeet Flush 12 95200 Improved Cylinder Flush 12 95170 Improved Cylinder Extended Ported 12 95195 Modified Flush 12 95180 Modified Extended Ported 12 95245 Improved Modified Flush 12 95190 Full Flush 12 95240 X Full Flush 12 95268 XX Full Turkey Extended Ported 12 95267 XX Full Turkey Lead Only Extended 20 95225 Improved Cylinder Flush 20 95220 Modified Flush 20 95215 Full Flush 20 95230 X Full Turkey Lead Only Flush 20 95231 X Full Turkey Extended Ported Lead steel and other non toxic shot patterns will vary substantially depending on shell length shot size brand of ammunition and the individual barrel The shooter is urged to conduct pattern tests before field use 18 ACCU MAG CHOKE TUBES 835 MODELS ONLY ACCU MAG choke tubes are internal
12. SE USE MALFUNCTION OR DEFECTIVE CONDITION OF THE MOSSBERG FIREARM Mossberg reserves the right to inspect examine and or test the Mossberg firearm to assess any claim made under the Limited Warranty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arranty Service To obtain service under this Limited Warranty you must follow the instructions found in the Service Instruct
13. arm should be inspected and cleaned periodically to ensure that it remains in good condition Clean your firearm as soon as possible after use This is especially important if your firearm has been exposed to moisture For maximum performance and continued satisfaction with your firearm periodic cleaning and lubrication are essential Follow the instructions and equipment provided with a quality gun cleaning kit Always be sure that the safety button is fully rearward in the ON SAFE position A Figure 1 and that the firearm is unloaded by visually and physically checking the chamber elevator and magazine tube before cleaning your firearm Wear eye protection during cleaning Normal use requires only that the mechanisms be free of excessive shooting residue Very little lubrication other than a light oiling of internal and external surfaces to prevent rust is needed To ensure optimum performance Mossberg recommends thorough cleaning of your firearm after every 200 rounds However unusually dusty dirty or harsh weather conditions or use of ammunition which leaves significant powder residue may require more frequent cleaning Ifthe firearm is to be stored for along period of time it should be thoroughly cleaned and oiled Donotplug thebarrelorstore ina fabric lined case that will absorb lubricantfrom the firearm as this may result in corrosion to the unprotected metal surfaces Over lubrication should be avoided during below free
14. arrels are interchangeable only with barrels of the same model gauge and capacity CAUTION Never close the action or pull the trigger while the barrel is removed as damage could result to the firearm To facilitate shipping some models are packaged with the barrel removed A front swivel stud and washer are also shipped separately on some models see items 35 and 36 in the exploded view To install the barrel in the receiver proceed as follows Visually and physically inspect the chamber of the barrel to certain it is unloaded and that it is free of any obstructions excessive oil or grease If you are unable to remove all obstructions bring the firearm to a qualified gunsmith or send it to the authorized Product Service Center Obstructions of any kind can cause damage to the firearm and may result in serious personal injury to the shooter and or others nearby Move the safety button fully rearward to the ON SAFE position Fig 2 All Models Depress the action lock lever Fig 3 and move the forearm rearward until the front of the bolt is in the middle of the ejection port Fig 7 CAUTION Wear eye protection 590 835 Models Unscrew the magazine cap by turning it counterclockwise Slide the barrel takedown mountring over the magazine tube while guiding the barrel extension portion of the barrel into the receiver Fig 4 Gently rotate the barrel back and forth while pushing the barr
15. arts how the manual safety and other safety features operate how to safely open and close the action and how to safely load and unload ammunition from the firearm Improper use and handling is dangerous and could cause serious injury or death to you or those around you All users of the firearm must become thoroughly familiar with the instructions in this manual O F MOSSBERG amp SONS INC P O BOX 497 e 7 GRASSO AVENUE NORTH HAVEN CONNECTICUT 06473 PHONE 800 363 3555 www mossberg com Safety and safe firearms handling is everyone s responsibility gt gt gt gt gt gt As the owner of a firearm you must undertake the full time responsibility of safe firearms handling for your own safety and the safety of those around you Keep all firearms and ammunition out of the reach of children e Store your firearms and ammunition separately e Never store a loaded firearm e Never leave a loaded firearm unattended e Never transport a loaded firearm in a vehicle e Unload your firearm when you have stopped shooting and when you have to climb a tree fence cross a slippery surface or have to transport it in a vehicle e Do not load your firearm before you are in a place where it is safe to shoot and keep your finger off the trigger until you are on target and have decided to fire Never shoot at water rocks or any hard surface Shots may glance off such surfaces and cause injuries e Do not use alcohol or
16. be closely supervised when handling firearms with which they may not be acquainted Don t be timid when it comes to gun safety If you observe anyone violating any safety precautions you have an obligation to suggest safer handling practices such a those in this booklet Please read these rules carefully and follow the safety procedures outlined Firearms safety is up to you Make no mistake about it 1 ALWAYS KEEP THE MUZZLE POINTED IN A SAFE DIRECTION 2 FIREARMS SHOULD BE UNLOADED WHEN NOT ACTUALLY IN USE DON T RELY ON YOUR GUN S SAFETY BE SURE OF YOUR TARGET AND WHAT S BEYOND IT USE CORRECT AMMUNITION IF YOUR GUN FAILS FIRE WHEN THE TRIGGER IS PULLED HANDLE WITH CARE ALWAYS WEAR EYE AND EAR PROTECTION WHEN SHOOTING 8 BE SURE THE BARREL IS CLEAR OF OBSTRUCTIONS BEFORE SHOOTING DO NOT ALTER OR MODIFY YOUR GUN AND HAVE GUNS SERVICED REGULARLY LEARN THE MECHANICAL AND HANDLING CHARACTERISTICS OF THE FIREARM YOU ARE USING Courtesy of Sporting Arms and Ammunition Manufacturers Institute Inc 30
17. drugs before or while handling firearms e Do not touch trigger while the safety button is being engaged or disengaged Always point the muzzle of your firearm in a safe direction regardless of whether the firearm is loaded or unloaded Always treat every firearm as if it were loaded Give your firearm to someone with the action open bolt fully rearward and safety fully rearward in the ON SAFE position after you verify the firearm is unloaded Insist on the same procedure when receiving a firearm from someone else Learn the location of all the safety features of your firearm and how they operate Wear eye and ear protection when shooting Shooting without proper ear protection can cause hearing damage The use of eye protection during any type of shooting is important to protect your eyesight Due to the heavy recoil of a shotgun maintain an adequate distance between the rear of the scope if equipped and your face at all times Be certain the scope installation does not interfere with access to or the proper functioning of the safety button WE SPECIFICALLY DISCLAIM ANY RESPONSIBILITY FOR DAMAGE OR INJURY WHATSOEVER OCCURRING IN CONNECTION WITH OR AS A RESULT OF THE USE OF FAULTY OR NON SAAMI STANDARD OR REMANUFACTURED OR HAND LOADED RELOADED AMMUNITION ADDITIONALLY WE DISCLAIM ANY RESPONSIBILITY FOR DAMAGE OR INJURY WHICH RESULTS FROM ANY MODIFICATIONS OR CHANGES THAT ARE NOT A PART OF THE FIREARM AS DELIVERED FR
18. e corresponding cut in the top of the receiver as shown in Figure 4 Swivel Stud Installation Place the washer over the swivel stud thread Screw the stud into the magazine cap and tighten making sure the through hole is oriented horizontally Use caution not to over tighten the stud as this may strip the threads in the magazine MAGAZINE CAPACITY 835 Models 535 Models 500 Models 505 Models 590 Models NOTE 835 Models 500 Bantam Model Super Bantam and 505 Models 500 and 535 Models Total ammunition capacity including one in the chamber is six 6 2 3 4 or 3 or five 5 3 1 2 shells Total ammunition capacity including one in the chamber is five 5 2 3 4 or 3 and four 4 3 1 2 shells Depending upon tolerance variations total capacity may be reduced by one round when using 3 shells Total ammunition capacity including one in the chamber is six 6 2 3 4 shells Depending upon ammunition tolerance variations total capacity may be reduced by one round when using 3 shells Total ammunition capacity including one in the chamber is five 5 2 3 4 or five 5 2 1 2 shells Depending upon ammunition tolerance variations total capacity may be reduced by one round when using 3 shells Total ammunition capacity including one in the chamber is nine 9 2 3 4 or eight 8 3 shells To comply with U S migratory bird laws all fi
19. ed stock is under spring pressure Remove rounds from TO REASSEMBLE storage tubes to minimize the spring pressure Use caution when removing recoil pad screws to prevent injury to yourself or others around you a Loosen and remove the two recoil pad screws by turning them counterclockwise b Remove recoil pad springs and plastic followers Place on a clean dry surface Insert one plastic follower into each magazine tube in the stock Be sure the hollow portion of the follower is facing toward the rear of the stock Insert one spring in each of the two magazine tubes The springs will fit inside the cupped end of the followers inserted in the previous step Screw the recoil pad screws into the recoil pad until the screw points come through the opposite side about 1 8 of an inch Place the pad against the springs so that the end of each spring rests against the recessed area on the pad 15 4 Compress the springs into the tubes by pushing the pad flush against the stock Adjust the pad until you feel the points of the screws fit into the pre drilled holes in the stock 5 While maintaining pressure on the pad tighten the recoil pad screws securely Do not overtighten screws 6 Check for free movement of the followers by pushing them into the magazine tube with your finger and allowing them to snap back into position under spring pressure HEAT SHIELD A BEFORE PERFORMING ANY DISASSEMBLY OR ASSEMBLY PROCEDURE a Move the sa
20. el into the receiver Slide the barrel into the receiver and tighten the magazine cap finger tight only DO NOT use pliers or a wrench to tighten magazine cap If your 590 835 shotgun is equipped with a magazine spring retainer prior to putting on the magazine cap assemble the magazine spring retainer over the protruding magazine spring Push the retainer downward inside magazine tube so that the spring retainer is flush with the magazine tube end CHAMBER BARREL EXTENSION EJECTION PORT MAGAZINE y SPRING RETAINER a EJ TAKEDOWN MAGAZINE CAP 835 590 MOUNT RING TAKEDOWN SCREW 500 505 535 MAGAZINE TUBE Fig 4 3 CAUTION 500 505 and 535 Models The magazine spring exerts pressure on the retainer Use caution when disassembling To disassemble Pry up at various points around the small hole in the center of the magazine spring retainer Cup hand over retainer and magazine so as to keep spring and retainer confined Use caution not to bend or distort the magazine tube end and or threads Slide the barrel into the receiver and tighten the takedown screw finger tight only DO NOT use pliers or a wrench to tighten the takedown screw A little space between the magazine tube and the takedown mount is normal WARNING all models Check to be certain that the barrel is fully seated into the receiver by looking through the ejection port The barrel extension must rest firmly against th
21. ent parts from shifting and or harm during shipping Include a note with a clear description of the service you wish us to perform your complete return shipping address no P O boxes please your daytime telephone number and your e mail address if available It is advisable to place your correspondence inside your shipping container when shipping SHIPPING ADDRESS Product Service Center Maverick Arms Inc 1001 Industrial Blvd Eagle Pass Industrial Park Eagle Pass TX 78853 Attn Repair If you have any questions please contact us at 800 363 3555 or service mossberg com TO ORDER PARTS To order parts from our authorized Product Service Center you can fax phone mail or e mail your order to us at one of the following numbers addresses Fax Number 830 773 5893 Phone Number 830 773 9007 E mail Address service mossberg com Mailing Address Product Service Center Maverick Arms Inc 1001 Industrial Blvd Eagle Pass Industrial Park Eagle Pass TX 78853 Attention Order Department Please provide your name street address daytime phone number and e mail if available We will need Model Serial Gauge Caliber Finish Part and Part Name We have a 7 50 U S minimum parts order charge We accept most major credit cards money orders and bank drafts Service outside of the U S A For Mossberg firearm parts and service requirements outside of the United States customers are requested to contact the clo
22. fety button fully rearward to the ON SAFE position and keep muzzle pointed in a safe direction b Open the action visually and physically check chamber elevator and magazine tube to be certain the firearm is unloaded HEAT SHIELD INSTALLATION NOTE The heat shield can only be installed on 12 ga plain barrel models The heat shield will not fit on barrels with Ghost Ring sights 1 Follow barrel removal procedures as described in this Owner s Manual 2 Carefully remove front sight by turning it counterclockwise Take precautions to insure you do not damage the barrel finish 3 Slide heat shield onto barrel from the muzzle end The large ring on heat shield must be positioned towards the rear of barrel 4 With the heat shield on the barrel use a small padded C clamp or a vise to close the forward clamp of the heat shield 5 Position the appropriate length plastic spacer or optional bushing style spacers between the forward clamp Insert the two screws and start the two hex nuts on the screws using a 7 64 hex key wrench and a 5 16 open end or box wrench DO NOT FULLY TIGHTEN THE TWO SCREWS YET Fig 17 6 Reassemble barrel to action When securing heat shield the barrel must be attached to shotgun Barrels with heat shield secured are not interchangeable without proper refitting of heat shield to firearm as described in the above procedure Make sure takedown screw or magazine cap is secure a
23. g pn s jen ms 10014 9 Joysem Bulule o Se do s eS 8 e06S deo JOJen913 quesse 1ybis ajj M S JOA 14615 1014 Ze Joyal LE adoos mu san 6 eqn 91049 iquiesse 85 929 909 9005 malos eqn U2 146 5 11014 Bun Oo 92 julod piy Buw GZ jeueg NOILdIidOSIO ON NOILdIHOS3d WALI 151 SLUVd EXPLODED VIEW 29 FIREARMS SAFETY DEPENDS ON YOU MAKE NO MISTAKE ABOUT IT From the time an individual picks up a firearm that individual shooter becomes a part of a system over which he has complete control He is the only part of the system that can make a gun safe or unsafe Hunting and target shooting are among the safest of all sports This booklet is intended to make them even safer by re emphasizing and reaffirming the basics of safe gun handling and storage and by reminding each individual shooter that he or she is the key to firearms safety You can help meet this responsibility by enrolling in hunter safety or shooting safety courses You must constantly stress safety when handling firearms especially to children and non shooters Newcomers in particular must
24. g 5 The shell can beinserted directly into the chamber or placed on top of the elevator Close theaction by moving the forearm completely forward Be sure to leave the safety ON fully rearward until you are ready to shoot ELEVATOR Fig 5 Loading through the ejection port The firearm is now loaded and will fire if the safety is moved to the OFF FIRE position and the trigger is pulled Keep the muzzle pointed in a safe direction at all times LOADING MAGAZINE Load the magazine tube by turning the shotgun so that the trigger guard is facing up and the action is closed Push the front end of the shell into the magazine tube until the rim of the shell snaps past the cartridge stop Fig 6 amp 9 Never attempt to exceed the magazine capacity A FIRING SHELL MAGAZINE SHELL RIM Fig 6 Discharging firearms in poorly ventilated areas cleaning firearms or handling ammunition may result in exposure to lead and or substances known to cause birth defects reproductive harm and or other serious physical injury Have adequate ventilation at all times Wash hands thoroughly after exposure Withthe firearm pointed ina safe direction and held inthe proper firing position move the safety button fully forward to its OFF FIRE position Pulling the trigger through its full travelto the rear willcause the firearm to fire Ensure muzzle is pointed in asafe direction before placing finger on
25. hesafety button fully rearward tothe ON SAFE position and keep the muzzle pointed in a safe direction while unloading the firearm Depress the action lock lever Fig 3 and pull the forearm rearward slowly until the live shotshell is completely withdrawn and visible in the ejection port Remove shotshell by hand Continue pulling the forearm rearward to release the next shotshell onto the elevator Turnthe shotgun sothatthe ejection portfaces downwardto allow the released shotshellto drop out through the ejection port Push the forearm completely forward closing the bolt without a shell being chambered Turn the shotgun over so that the trigger guard is positioned upward and the shotgun remains pointed in a safe direction Insert your right thumb into the opening in the bottom of the receiver and depress the cartridge stop on the right side to release shotshells one at a time Fig 9 Repeat until all shotshells are removed from the magazine tube Depress the action lock lever and pull the forearm completely rearward Visually and physically inspect chamber elevator and magazine tube to be certain the shotgun is completely unloaded Leave the action inthe open rearward position and the safety button fully rearward inthe ON SAFE position DISASSEMBLY and physically check the chamber elevator and magazine tube to be certain the shotgun is unloaded before disassembling the firearm Wear eye protection during
26. ht in the same direction you would like the shot to move For example if the point of impact is low and left of the point of aim move the rear sight upward and to the right 13 GHOST RING SIGHT ADJUSTMENTS ROTATE TO ADJUST FOR WINDAGE ROTATE ELEVATION RING FOR ELEVATION ADJUSTMENT Fig 15 MOSSBERG ACCESSORY BARRELS Accessory barrels are interchangeable only within specific model gauge and magazine capacity 500 Models HS410 barrels are not interchangeable with standard 500 410 bore sporting barrels PISTOL GRIP INSTALLATION A BEFORE PERFORMING ANY DISASSEMBLY OR ASSEMBLY PROCEDURE a Move the safety button fully rearward to the ON SAFE position and keep muzzle pointed in a safe direction b Open the action visually and physically check chamber elevator and magazine tube to be certain the firearm is unloaded To Remove Buttstock a4 Loosen the top screw holding the recoil pad or buttplate on stock Note Most models use Phillips head screws 2 Loosen and remove the bottom recoil pad or buttplate screw 3 Swing the recoil pad or buttplate around the top screw which will allow access to the stock bolt through the stock butt hole 4 Check stock bolt head configuration Some models use a slotted head others use a 1 2 in hex head 5 Loosen and remove stock bolt by turning it counterclockwise The stock may now be removed from the receiver Installation of Pistol Grip
27. ine Capacitacion diia 4 LOAN 5 6 AR een ee abs 6 Unloading the Shotgun 7 Disassembly Procedures ici aii es 7 10 Cleaning and a ee ae aan 10 Assembly Procedures ea em Haie 11 13 Function diiniita ad 13 0 13 Accessory Barre Seea nenne 14 14 Speedieed Stock iii tia cia 15 16 Hebat Shield tr rte a cog eres cds 16 17 Dual Comb ii pola linia 17 Accu and Accu Mag Choke Tubes 17 20 Muzzleloader Barrels 20 Service instructions ae ii en 21 Warranty INTO Mat 2 22 N N A 23 27 EE EE E E E 28 O E A A A 29 The Basic Rules of Safe Firearms Handling 30 OPERATING INSTRUCTIONS Read and understand this entire manual and its safety warnings before handling this firearm MECHANICAL SAFETY The safety button is located on the top rear portion of the receiver Fig 2 and must be manually moved to the desired position by the shooter To put the safety in the ON SAFE position
28. ions section of the Owner s Manual and return the Mossberg firearm to the authorized Product Service Center You are responsible for all shipping costs to the Product Service Center Mossberg will not accept COD shipments of any Mossberg firearm for service After repair or replacement the Mossberg firearm or a similar model will be returned to you return postage paid by Mossberg If we replace the Mossberg firearm we will keep the firearm that you returned to Mossberg Modification of Warranty No agent representative distributor or authorized dealer of Mossberg firearms has any authority to modify the terms or conditions of the Limited Warranty in any way The Limited Warranty may only be modified in writing by an authorized officer of Mossberg THIS LIMITED WARRANTY IS EFFECTIVE JANUARY 1 2003 22 23 24 25 26 27 Wd paj911159y pasjpasds ep Buuds sulzebeyy P99Jpaads Jr 4010813 1sod q O len ms YOOIS 9 JOUseMm 4907 J9ySEm 1814 Sp HO 19015 990 10Day 490 s paajpasds ey 05 10931 ZY ped ped 1091 posjpesds y 19018 2015 Or Buisnoy pjelys 6 J998dS pjalys ye8H BE LE Aiquiesse o
29. me OWNERS a mu MANUAL FOR 500 505 535 590 AND 835 MODELS PUMP ACTION SHOTGUNS IMPORTANT SAFETY WARNINGS NOTE THE SYMBOL A THESE SAFETY WARNINGS ARE FOR YOUR PROTECTION AS WELL AS THE SAFETY OF OTHERS DISREGARDING INFORMATION IN THIS MANUAL MAY RESULT IN SERIOUS INJURY OR DEATH gt gt gt Be certain this owner s manual is available for reference and is kept with this firearm if transferred to another party If manual is lost or misplaced contact Mossberg for a free replacement copy After performing any work on your firearm such as cleaning adjustments disassembly or installation of any accessory the firearm should be re checked for proper functioning before firing live ammunition Firearms are complicated mechanisms Any modification alteration or improper fitting of parts may result in a dangerous malfunction damage to the firearm and injury to the shooter and other persons The firearm s owner is responsible for the correct reassembly and functioning of the firearm after any disassembly or replacement of parts If you do not understand any of the material in this manual or have any questions contact Mossberg or a qualified gunsmith directly Do not attempt to load or use any firearm until you have read and understood the information contained in its owner s manual Before handling your firearm you should learn how it operates and how to maintain it This includes knowing its basic p
30. nd the barrel is fully seated before proceeding to the next step 7 Position heat shield so that the rear large ring butts up against the front of the receiver 8 Using a 7 64 Allen wrench and a 5 16 open end or box wrench tighten the clamp screws to securely hold the heat shield in place DO NOT OVERTIGHTEN THE SCREWS 9 Reinstall front sight 16 Whenever the heat shield barrel is removed from the shotgun repeat the above steps 5 8 to insure that the shield is not preventing the barrel from being seated fully SPACER Fig 17 500 AND 590 MODELS 6 SHOT CUT AT 1 5 16 A 590 MODELS WITH ACCESSORY LUG CUT AT 1 7 8 B 590 MODELS WITHOUT ACCESSORY LUG USE AS IS DUAL COMB TROPHY STOCK d N BEFORE PERFORMING ANY DISASSEMBLY OR ASSEMBLY PROCEDURE a Move the safety button fully rearward to the ON SAFE position and keep muzzle pointed in a safe direction b Open the action visually and physically check chamber elevator and magazine tube to be certain the firearm is unloaded To Change Removable Combs 1 Using a 3 16 inch Allen head wrench supplied unscrew and remove the comb retaining screw found at the top center of the removable comb 2 Place the desired comb into position Insert the comb retaining screw and snug tighten Do not overtighten as this will damage the internal assembly components ACCU ACCU MAG CHOKE TUBES A BEFORE REMOVING OR INSTALLING ANY CHOKE TUBE a
31. nterrupter in place firmly against the receiver walls with one hand and grasp the trigger housing assembly with the other Fig 9 Insert the lugs on each side of the front corner of the trigger housing into the slots on each side of the receiver Fig 14 A then ease the rear of the housing assembly down and into position Fig 14 B DO NOT FORCE NOTE Ifthe trigger housing does not fit into place easily check that all internal trigger housing pinsareflush withthe side of thehousing andthatthe cartridge interrupter and cartridge stop are positioned properly Align the trigger pin hole in the housing assembly with those in the receiver Insert the trigger housing pin and push in fully until flush with the side of the receiver Fig 14 TRIGGER HOUSING LUGS RECEIVER SLOT Fig 14 TRIGGER HOUSING PIN HOLE 12 FUNCTION TESTING After performing any work on your firearm such as cleaning disassembly or installation of any accessory check your firearm for proper functioning before firing any live ammunition a Move the safety button fully rearward to the ON SAFE position and keep muzzle pointed in a safe direction b Open the action visually and physically check chamber elevator and magazine tube to be certain the firearm is unloaded Depress and hold the action lock lever Fig 3 Open and close the action several times to check for free movement of the action assembly Close the action forearm fully for
32. rearward in the ON SAFE position whether or not the firearm is loaded Inspectthe chamberandbore ofthe barrel forany obstruction excessive oil orgrease The chamber is the rear portion of the barrel which contains the cartridge Fig 4 Obstructions of any kind can cause damage to the firearm and may result in serious personal injury to the shooter and or others nearby PP gt gt Check to be certain that the ammunition selected is the same type of cartridge as designated on the left side of the barrel gt 835 Models are designated to fire 12 gauge 2 3 4 3 or 3 1 2 factory loaded ammunition Do not fire slugs of any type single projectile ammunition through the overbored 835 Accu Mag barrel This barrel is designated to shoot lead or steel pellet shot loads only Use only 835 barrels designated specifically for slug shooting 535 Models are designed for factory loaded 2 3 4 3 and 3 1 2 shells and rifled slugs 590 Models handle 12 ga 2 3 4 or 3 magnum shells 500 and 505 Models are designed for 2 3 4 2 1 2 410 bore and 3 magnum shells within gauge Fully rifled barrels deliver bestaccuracy with sabot style slugs Rifled slugs and shotshells are not recommended for use in rifled barrels If you wish to load the firearm with the maximum number of shells or fire single shots load the first shell through the ejection port located on the right side of the receiver Fi
33. rush loose residue from trigger housing with a soft bristle brush Never use a brush with metal bristles as this could remove the protective coating on the trigger housing Never pull the trigger while the trigger housing is removed from the receiver as damage to the trigger housing and or personal injury may result ASSEMBLY OF INTERNAL RECEIVER COMPONENTS Place the receiver with the trigger housing opening upward on a clean surface Check to be certain that the safety button on the top rear of the receiver is fully rearward in the ON SAFE position Fig 2 Slidethe forearm assembly onto the magazine tube while guiding the action slide bars into the corresponding cuts in the front of the receiver Fig 12 MAGAZINE TUBE FOREARM RECEIVER RECEIVER CUTS ACTION SLIDE BAR Fig 12 Assemble the elevator by squeezing the arms together sufficiently to position them in the receiver so that the buttons on the elevator fit into the corresponding 1 4 6 4 mm diameter holes in the receiver Fig 11 Pivot the elevator so that the forward portion ofthe elevator is even with the outside edge of the cavity in the receiver Insertthe rear of the boltassembly with its bolt lock downwards toward the frontinsidetop ofthe receiver into the barrel opening of the receiver Depress the ejector located in the side of the receiver opposite the ejection port to allow the bolt assembly to slide fully rearward into the receiver
34. sest Mossberg stocking dealer distributor 21 MOSSBERG WARRANTY 500 505 535 590 and 835 MODEL SHOTGUNS TEN 10 YEAR LIMITED WARRANTY Limited Warranty O F Mossberg amp Sons Inc Mossberg warrants to you the original retail purchaser of a new Mossberg 500 505 535 590 or 835 Shotgun the Mossberg firearm that the Mossberg firearm will be free of defects in material or manufacture for a period of ten 10 years from the date of your purchase of the new Mossberg firearm the Warranty Pe riod in the United States or Canada This is the only express warranty on the Mossberg firearm MOSSBERG MAKES NO OTHER WARRANTIES OF ANY KIND OR CONDITIONS INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE This Limited Warranty gives you specific legal rights any you may have other rights that vary from State to State Purchaser s Remedy During the Warranty Period Mossberg will at its sole option 1 repair the Mossberg firearm or any part thereof that upon examination and testing by Mossberg does not conform to the Limited Warranty without charge to you for parts or labor or 2 replace the Mossberg firearm with a new or similar model THIS REMEDY SHALL BE YOUR EXCLUSIVE AND SOLE REMEDY FOR ANY BREACH OF WARRANTY MOSSBERG SHALL NOT BE RESPONSIBLE FOR ANY OTHER EXPENSES LOSSES OR INCONVENIENCE THAT YOU MAY SUSTAIN AS A RESULT OF THE PURCHA
35. tern tests before field use 4 SLUGS Overbored 835 Model Accu Mag barrels are designed for lead or steel pellet shot loads only We specifically disclaim any responsibility for damage or injury resulting from firing slugs single projectile ammunition through overbored barrels Use only 835 Model barrels designed specifically for slug shooting 19 ACCU MAG ULTI FULL TURKEY TUBE The NATIONAL WILD TURKEY FEDERATION has determined that the average distance at which turkeys are most effectively taken under average environmental conditions and surroundings is 30 yards Subsequently Mossberg designed and manufactures highly specialized choke tubes for 4 or 6 lead shot to yield a high shot concentration and pellet count in a 20 inch circle at 30 yards Shot patterns at distances greater than 30 yards will be less dense These special purpose Turkey Tubes are specifically designed for use with lead shot loads only Do not shoot steel shot through Extra Full turkey tubes as it may result in barrel damage Test results are averages and individual shotgun performance may vary Mossberg recommends pattern testing with several brands of ammunition and at various distances to familiarize yourself with your shotgun s performance MUZZLELOADER CONVERSION BARREL Do not attempt to assemble load or use the Muzzleloading barrel until you thoroughly read and understand the information contained in this shotgun Owner s
36. the safety button must be moved fully rearward into the safety detent The button will now cover the red dot The red dot is a training aid used only to show the direction of the ON SAFE position and should not be used as an indicator that the safety is ON or OFF Fig 2 Moving the safety button forward toward the muzzle of the shotgun will put the safety in the OFF FIRE position Remember a firearm s manual safety is a mechanical device which can never replace safe firearm handling practices Never rely on any mechanical mechanism or safety device to prevent the dangers of careless handling or pointing a firearm in an unsafe direction OFF FORWARD AS SHOWN ON FULLY REARWARD SAFETY BUTTON RED DOT Fig 2 ACTION RELEASE CONTROL The action lock lever is located on the left side of the trigger housing just rearward ofthe trigger guard The action lock lever allows the action to be unlocked and opened for inspection of the chamber and action or unloading without pulling the trigger The action may be opened by depressing the lever and pulling the forearm rearward Fig 3 NOTE During firing the action unlocks automatically after the hammer falls and the action can be cycled without depressing the action lock lever ACTION LOCK LEVER DEPRESS TO UNLOCK BARREL ASSEMBLY Barrels are not interchangeable between model numbers gauge or capacity 500 505 535 590 and 835 b
37. ve and six shot models are shipped with a wooden dowel inserted in the magazine tube which limits magazine capacity to two 2 shells To remove the dowel first remove the barrel Point the shotgun downward and shake it back and forth lightly until the dowel falls out To change back to a2 shot magazine capacity insert the dowel through the center of the magazine spring so that it is positioned inside the coils of the spring This Model is supplied as a single shot An extra long wooden dowel blocks magazine loading After proper firearm training the dowel can be removed to cut to 9 to comply with appropriate laws See below for removal instructions To remove the dowel first remove the barrel Point shotgun downward and shake it back and forth lightly until the dowel protrudes from the takedown screw hole in the end of the magazine tube A rubber O ring on the dowel prevents it from falling out accidentally Grasp the dowel and pull it completely out 4 LOADING Before loading move the safety button fully rearward Fig 2 to the ON SAFE position During loading never allow fingers or any objects to contact the trigger Keep the muzzle pointed in a safe direction at all times Depress the action lock lever Fig 3 and open the action by pulling the forearm completely rearward Do not load firearm until ready to use Unload firearm when shooting has been completed The safety button should always be fully
38. ward and leave the safety button in the ON SAFE position Pull the trigger rearward fully The hammer should not fall No Fire Remove your finger from the trigger Move the safety button to the OFF FIRE position The hammer should not fall No Fire Leave the safety button in the OFF FIRE position Pull the trigger rearward The hammer should fall Fire Open the action by moving the forearm fully rearward Move the safety button fully rearward to the ON SAFE position IF YOUR FIREARM DOES NOT PERFORM AS DESCRIBED IN ANY OF THE ABOVE STEPS CONTACT THE FACTORY AUTHORIZED PRODUCT SERVICE CENTER IMMEDIATELY DO NOT ATTEMPT TO USE THE FIREARM SIGHT ADJUSTMENTS A BEFORE MAKING ANY SIGHT ADJUSTMENTS a Move the safety button fully rearward to the ON SAFE position and keep muzzle pointed in a safe direction b Open the action visually and physically check chamber elevator and magazine tube to be certain the firearm is unloaded RIFLE SIGHT ADJUSTMENTS Williams Style rear sight Elevation may be adjusted by loosening the side screw on the rear sight leaf base This will allow the sight leaf base to be raised or lowered by sliding the base up or down the rear sight ramp Tighten screw after adjustment Windage may be adjusted by loosening the top screw and sliding the sight leaf left or right in the sight leaf base Tighten screw after adjustment Remember Move the rear sig
39. zing conditions Many lubricants thicken in low temperatures which could affect the operation of the firearm Exposure to unfavorable weather or moisture from condensation requires additional care to prevent corrosion to the firearm BARREL CLEANING Scrub bore and chamber with solvent and follow with cleaning patches until barrel is clean A final pass with a lightly oiled patch will provide a protective coating A stiff brass bristle brush is useful for removing stubborn deposits 10 Be sure not to leave cleaning patches or excessive oil or grease in the bore as they can create dangerous obstructions Obstructions of any kind can cause damage to the firearm and may result in serious personal injury to the shooter and or others nearby ACTION CLEANING Clean all components of the action including the bolt bolt slide and action slide bars Figure 11 to remove accumulated residue An evaporating solvent should be used Action parts will remain cleaner longer if lubrication is used sparingly RECEIVER CLEANING Clean the inside of receiver with arag or soft brush giving special attention to the tracks which guide the bolt and bolt slide Place a few drops of light oil in these tracks when clean Care should be taken when cleaning the exterior surfaces of the receiver to prevent cosmetic damage Never use a brush with metal bristles as this could remove the protective coating on the receiver TRIGGER HOUSING CLEANING B
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