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1. 13 Remove Bolt from Bolt Carrier by pulling it Straight out 14 Remove Extractor Pin by pushing it out of the Bolt with a small punch or the tip of a bullet Set the pin aside carefully 15 Remove the Extractor with the spring and spring guide Be careful not to allow the spring to pop out away from you 16 With the Hammer in the cocked position depress the Buffer Retainer and slowly allow the Buffer under spring tension to clear the Buffer Tube and Receiver Pull the Buffer and Buffer Spring fully out and set them aside STOP Only a qualified gunsmith should further disassemble this firearm y PAGE 13 Inspecting Cleaning and Lubricating your SQS15 Corrosion prevention starts with cleaning the firearm quickly after firing Even if the firearm is not being fired environmental humidity can cause corrosion If you live in a temperate region annual to biannual cleaning and lubrication is recommended For tropical environments or other environments with high humidity a much more frequent schedule is suggested Cleaning your gun up to twice a week may be necessary to ward off corrosion in very humid climates If your SQS15 gets wet for any reason clean as quickly as possible to avoid corrosion and rust BCI Defense recommends the purchase of a high quality cleaning kit that includes a cleaning rod patch holder bore brushes chamber brushes a small handled brush with non abrasive bristles a toothbrush
2. 50515 RIFLE INSTRUCTIONS SAFETY MANUAL OPERATION MAINTENANCE AND TROUBLESHOOTING A IMPORTANT This manual contains operating care and maintenance instructions To assure safe operation any user of this firearm must read and understand this manual before using the firearm Failure to follow the instructions and heed the warnings of this manual can cause property damage personal injury and or death MADE IN This manual can be found on our website at www bcidefense com sqs15manual WARNING Keep this firearm out of reach of children unauthorized individuals and anyone unfamiliar with safe handling of firearms USA Thank You For Your Purchase The BCI Defense BCID team thanks you for your purchase of this BCID Firearm As a team we pour our passion for manufacturing shooting sports hunting and the 2nd Amendment into every one of our firearms Every firearm at BCID is manufactured and assembled by hand So know that you have one of our personal firearms Happy SAFE Shooting BCI Defense Instructions Safety Manual Table of Contents Warnings Precautions Remarks on Safety Fundamentals of Safe Firearm Handling Remarks on Dangerous Use About your BCI Defense SQS15 Introduction to Firearm Controls Safety Checking and Clearing your Firearm Function Checking your Firearm Loading your Firearm amp Use of your Magazine Chambering a Round Firing the SQS15 Immediate Response in the Event of a Failu
3. BOLT CATCH HAMMER PIVOT PIN BUFFER 3 gt TRIGGER MAG WELL PISTOL GRIP OVERSIZED TRIGGER GUARD PAGE 5 Safety Checking and Clearing your Firearm Please review the fundamentals of safe gun handling before you begin Always assume the gun you are handling is loaded then follow the following procedure 1 Maintain the firearm in a safe direction Be sure the Safety Selector is on SAFE Note The Safety Selector cannot be engaged in the SAFE position unless the Hammer is in the cocked position 2 Depress the Magazine Catch Button to release the Magazine Pull the Magazine out and set it to the side 3 Lock the Bolt open by pulling the Charging Handle fully to the rear then press the bottom of the Bolt Catch into the Lower Receiver while slowly allowing the Charging Handle and the Bolt to move forward and come to rest on the Bolt Catch Slide the Charging Handle back into the Upper Receiver and latch it Double check that the Safety Selector is on SAFE 4 Visually check that the Chamber is empty and any rounds have been ejected BCI Defense Instructions Safety Manual Function Checking your Firearm Safety Check your firearm before you begin Instructions are in the previous section Verify once more that the Chamber is empty and you have removed the Magazine she oF Pull the Charging Handle rearward Allow the Bolt and Bolt Carrier to move all the way forward
4. Corrosion is less likely in these climates so over lubri cation is not necessary as a preventative in fact only light lubrication is advised as too much CLP can cause dust and sand to stick to the surfaces of your SQS15 Warm Wet Climate In these climates it is important to clean and lubricate your firearm more frequently Depending on the climate it may be necessary to clean the fire arm twice per week in very humid environments as this moisture can lead to and or increase the rate of corrosion and rust Inspect the hard to reach and hard to see areas of the firearm for rust and corrosion These areas include but may not be limited to the Bolt Lugs Charging Handle Track Buffer Tube Trigger and Hammer cavity as well as the internal parts of the Bolt Assembly Take note of stiff or loose components that may be experiencing trouble due to interference of rust or corrosion in the spring channels Rain and Snow Never fire the weapon if there may be water in the barrel An obstruct ed barrel can cause extreme barrel pressure which may cause the gun to fail or even explode Always drain water from the barrel if this occurs and swab the barrel follow ing the cleaning instructions included in this manual BCI Defense Instructions Safety Manual Warranty Information BCI Defense LLC Warranty BCI Defense LLC products are warranted to be free from defective materials and workmanship for the life of the product BCI Defense s
5. Do not pull the Trigger The Hammer is in the cocked position Place the Safety Selector in the SAFE position point the firearm in a safe direction then pull the Trigger The Trigger should not move and the Hammer should not fall Move the Safety Selector to the FIRE position When the Trigger is pulled the Hammer should fall Pull the Trigger and keep it in the pulled position pull the Charging Handle and release to cock the Hammer Release the Trigger The Trigger should return to the forward position An audible click should be heard and the Hammer should remain in the cocked position Repeat this test at least twice If the firearm fails any of these tests at any point do not attempt to load or fire the weapon until it has been examined by a qualified gunsmith PAGE 7 Loading your Firearm amp Use of JA your Magazine 1 Only attempt to load quality commercially produced 5 56mm NATO or 223 Remington ammunition appropriate for your firearm Be sure that each cartridge is clean dry and free of defects such as dents gouging and deformed case necks before loading them into your magazine Do not use ammunition that fails to meet these requirements 2 Insert ammunition with the primer end toward the end of the Magazine with the raised lips The bullet end should be on the concave curve of the Magazine while the primer end faces the convex side when using the 30 round Magazine supplied
6. Hold the upper receiver in one hand and the cleaning rod in the other Insert the rod handle end first into the chamber end of the bore Be careful not to allow the rod or its components to scratch the walls of the bore 7 Attach the handle to the end of the rod protruding from the Muzzle of the firearm 8 Dab CLP onto a fresh patch and thread the patch into the patch holder on the cleaning rod 9 Swab out the bore with the patch BCI Defense Instructions Safety Manual 10 Remove the patch and patch holder with rod in the barrel patch holder protruding through the upper receiver 11 Install the bore brush again leaving it two turns short of tight 12 Pull the brush slowly through the bore and out the muzzle Allow the brush to track through the rifling you should notice the rod rotating as you pull it out of the bore 13 After the first pull twist off the handle and reinsert that end of the rod into the chamber and push the rod through the bore until the handle can be reattached Repeat the bore brushing process 3 or 4 times 14 Check to be sure the rod has not tracked so much that the joints in the rod have become tight If so loosen them 15 Repeat bore brushing procedure 3 additional times 16 Occasionally swap a bore brush pass with a pass of a moist patch to clear any of the debris that the brush is loosening Warning Only ever clean the barrel in one direction chamber to muzzle
7. Warning Never run a bore brush through a bore prior to lubrication Cleaning the Upper Receiver 17 During the cleaning process take the opportunity to inspect the components for a tight fit Attempt to twist the Barrel and the Upper Receiver by hand to detect looseness Check to see that the Forward Assist is tight and that the pin is properly in place If looseness is detected take the firearm to a qualified gunsmith 18 Warning Never use a metal or wire brush on your upper receiver The receiver is constructed of aluminum and harsh abrasives may cause irreversible damage Wire brushes may also cause damage to the finish on your firearm A toothbrush is a good alternative for light scrubbing and loosening up buildup 19 Use a quality CLP Cleaner Lubricant Protectant on all areas of the receiver s interior and exterior to remove grime powder fouling and any other corrosion or contaminant 20 Clean the Chamber by dampening a chamber brush in CLP and insert the brush into the Chamber At least 5 strokes in and out of the Chamber may be required to adequately clean it After the strokes twist the chamber brush around in the Chamber both clockwise and counterclockwise at least 5 times 21 Use the bore brush with CLP to clean carbon buildup around the Gas Tube 22 Runa pipe cleaner with CLP through the gas tube to clean carbon buildup on the inside 23 With a cotton towel and CLP clean the Bolt Rin
8. ensure full inserted insertion an audible click will be heard Clean the Extractor following the Cleaning Instructions section Dirty Extractor Clean the Bolt assembly as described in the Cleaning Instructions section Corroded or fouled Firing Pin and Firing Pin Recess BCI Defense Instructions Safety Manual PAGE 21 Double Feeding of Replace defective Bolt Fails to Lock back on A he Magazine Faulty Magazine Replace magazine mmunition magazine an Empty Magazine Bolt Latch and manipulate Won t Chamber Dirty or Damaged Clean or Replace the mechanism with your Ammunition Fully Ammunition Ammunition fingers to verify correct spring operation Carbon in Chamber or gas aN Bes te Paang Verify correct bolt the Cleaning Instructions Dirty or Damaged Bolt operation and travel Latch assembly by pulling the charging handle all the way back If it does not pull all the way back then clean the Buffer Assembly following Cleaning Instructions section tube area A section O roem O a O o Clean the area as instructed in the Cleaning Instructions section If damaged see a qualified gunsmith o m O e l o o amet O Evenly disperse the gaps in Drop the magazine out of the Gas Rings around the the Lower Receiver Check Positioning of gaps on Bolt circumference of the bolt that the Safety Selector is Gas Rings With three gaps each gap on SAFE Staying clear of should be 120
9. evenly spaced around the circumference of the Bolt to minimize loss of pressure Install the Bolt into the Bolt Carrier Insert the Bolt Cam Pin through the groove in the Carrier and then into the Bolt Remember that the Cam Pin will only fit into the hole in the Bolt from one direction to ensure that the Extractor is on the correct side If the Cam Pin does not go in easily rotate the Bolt 180 inside the Bolt Carrier Once the Cam Pin is installed twist it 90 in either direction to allow the Firing Pin to pass through Drop in the Firing Pin from the rear of the Bolt Carrier Pull Bolt out of the Bolt Carrier as far as you can the Bolt will rotate and the Cam Pin will follow the path of the slot in the Bolt Carrier s top Push in the Firing Pin Retaining Pin Installing the Bolt Assembly With the Upper Receiver upside down insert the Charging Handle into the Bolt cavity of the Upper Receiver and lower the flanges on the Charging Handle into their respective reliefs Slide the Charging Handle partway into the track in the receiver With the Carrier Key in the track of the Charging Handle lower the Carrier Assembly into the Upper Receiver NOTE the Bolt must be in the extended position during installation or the head of the Cam Pin will not allow the assembly to fit into the Upper Receiver Slide the Bolt Carrier Assembly and the Charging Handle all the way into the Upper Receiver until the Charging Handle L
10. from the the Muzzle pull back on others Bolt Carrier Stuck Closed the charging handle and tap the Buttstock on the ground This should cause the bolt to unlock and the cartridge to fall out of the chamber Damage or Dirt on Barrel Bolt will not lock Locking Lugs Short or Abbreviated Recoil Round Jammed between Chamber and Upper Bolt area or improper feeding Clean the Carrier key of ammunition Dirty Bolt Carrier Key following the Cleaning Instructions section BCI Defense Instructions Safety Manual PAGE 23 Maintenance in Extreme Conditions Cold Climate Clean and lubricate in a controlled environment Do not subject a warm firearm to cold environments as this can cause condensation within the mechanism which could keep the firearm from functioning properly Do not lay a warm firearm in snow or ice Warm Dry Climate If the firearm is subject to sandy and or dusty environments use extra care when cleaning the mechanisms Inspect the hard to reach and hard to see areas of the firearm for sand and debris These areas include but may not be limited to the Bolt Lugs Charging Handle Track Buffer Tube Trigger and Hammer cavity as well as the internal parts of the Bolt Assembly There are many small springs that actuate the detents that hold in place other components of the firearm Take note of stiff or loose components that may be experiencing trouble due to interference of dirt and sand in the spring channels
11. will suffice cotton bore patches and a good Cleaner Lubricant Protectant CLP Cleaning the bore 1 Always use only appropriately sized bore brushes to clean your SQS15 Using an incorrect tool may lead to irreversible damage to the firearm 2 Always clean the bore in the direction that the bullet travels Chamber to muzzle 3 The bore of the Barrel on your SQS15 is rifled This means there is a series of Lands and Grooves running the length of the Barrel in a spiral fashion You may find it difficult to push a bore brush from the Chamber to the Muzzle It may be easier to insert the cleaning rod without the brush installed through the end of the Muzzle and install the brush once the rod is in place This will allow you to pull the brush through the bore in the correct direction Allow the rod to rotate as you pull it through the bore the brush will want to follow the grooves of the rifling as it advances through the bore This is called tracking You want the brush to turn freely as it travels the length of the bore 4 Assemble your cleaning rod sections if using a break down rod Do not fully tighten each joint to allow for tracking as described earlier you should leave each joint 2 turns short of fully tightened If your cleaning rod handle swivels freely this is not necessary 5 Attach the patch loop or patch holder to the end of your assembled cleaning rod As before do not fully tighten the cleaning rod 6
12. AGE 25 Who We Are BCI Defense LLC BCID located in Bremen IN was established in 2012 by James and JB Brown BCID is wholly owned by Bremen Castings Inc BCI founded in 1939 and known worldwide as a leader in the machining and foundry industry Five generations of the Brown family have lead BCI to success for over 75 years by being passionate about what they do and devoting themselves to quality consistency and excellence above all else BCI is a leader meeting the highest standards of each of their many OEM clients In addition to their passion for manufacturing the Brown family has a deep connection to the 2nd Amendment firearms and hunting BCI Defense is the result of these two passions Our Philosophy Here at BCI Defense we do not hold ourselves to the Military Standard We hold not only our components but also our team to a higher standard The BCI Defense Standard SQS stands for Status Quo Sucks and is based on the man agement philosophy that was developed to drive continuous improvement and to instill the ideology of never settling for second best We built this philosophy to surround ourselves with employees who dedicate themselves to this frame of mind both at work and at home This management style drives everyone in the company to challenge themselves on the job and in life to make tomorrow better than today We display the letters SQS on our firearms to remind us to continually question the
13. Caution Be sure to use only clean undamaged quality commercially produced 5 56mm NATO or 223 Remington ammunition BCI Defense strongly advises against the use of remanufacture reloaded or hand loaded ammunition in your firearms as they may cause damage Warning Regardless of the position of the safety selector or the position of the Bolt and Carrier if a loaded magazine is in the weapon a round could be chambered if the firearm is dropped or somehow impacted Always be mindful of this possibility and never store the weapon with ammunition Remarks on Dangerous Use Never fire the firearm with any barrel obstruction This includes not only solid obstructions but also liquid obstruction such as grease oil and water Obstruction of the barrel may lead to increased barrel pressure Over pressure can lead to cycling failures or catastrophic failures such as barrel and chamber explosion e Always keep clear of the muzzle especially during operation loading and failures In the event of a problem the last place to look is down the barrel of any firearm If you experience a misfire under hot barrel conditions remove the live round immediately to prevent the heat of the chamber from igniting the ammunition If you are unable to do so point the firearm in a safe direction and allow the barrel to cool During this time be prepared for the firearm to discharge Once cooled safely remove the cartridge while adhering to all saf
14. GHT APERTURE SIGHT HOOD SIGHT POST SIGHT POST DETENT A SIGHT RELEASE BUTTON el oe Pe 4 Woe 3 SIGHT MOUNTING SCREW PAGE 11 Sighting in your SQS15 Following the procedure listed in this section will zero your iron sights for point of aim point of impact at 25 and 300 meters A Set up a 25 meter paper Sighting Target at a 25 meter distance Flip the Rear Sight to the smaller aperture and then move the aperture to the center of the sight by turning the knob on the right of the sight There are markings on the rear of the sight base to assist you in finding your Mechanical Zero Windage On a clear range carefully aim and fire 3 shots while using the sights to aim at the center of the target Examine the target If your shot group is too high or too low that correction is made at the Front Sight Post To raise your group rotate the front sight post clockwise To lower your group rotate counter clockwise A front sight adjustment tool is helpful but adjustment can be achieved by using the tip of a bullet to depress the Front Sight Detent allowing the pin to turn freely One click on the sight post will move the point of impact by one square on your zeroing target If your shot group needs to be adjusted left or right windage this is achieved by manipulating the dial on the Rear Sight To move your point of impact to the left on the target twist the knob to the left rearward To m
15. ard and feed a round into the Chamber 6 Inthe event that the Bolt does not completely lock into the Barrel Extension tap the Forward Assist to move the Bolt forward into the locked position If the problem persists have the gun inspected by a qualified gunsmith 7 The firearm is now loaded and ready to be fired Firing the SQS15 Follow the instructions in the previous section on how to properly load and chamber a round in your firearm Caution Your firearm is now loaded Always keep the muzzle pointed in a safe direction Safety Selector on SAFE and the Trigger area clear until you are ready to fire To fire your Semi Automatic firearm 1 Ina safe environment aim the firearm downrange 2 With the firearm shouldered move the Safety Selector from SAFE to FIRE keeping the Trigger area clear 3 Aim the firearm at the target move your finger onto the Trigger and pull the Trigger to fire Release the Trigger when complete The SQS 15 will have automatically removed the empty casing and then chambered another live round from your magazine if another round is available Cycling the Trigger mechanism will again fire the weapon This sequence will continue until all of the loaded ammunition has been fired At this point the bolt will lock backwards in the open position Put the Safety Selector on SAFE Depress the Magazine Catch Button to remove the empty Magazine If you wis
16. atch clicks into place on the Upper Receiver BCI Defense Instructions Safety Manual Attaching Upper and Lower Receivers 1 Be sure both the Pivot Pin and the Takedown Pin are in the released position protruding out of the Lower Receiver Position the Pivot Pin Lug on the front most part of the Upper Receiver into the slot at the front most part of the Lower Receiver and push the Pivot Pin into place until you feel and hear it click into place Check to be sure that the Safety Selector is placed on SAFE Pivot the Upper and Lower Receivers together and push in the Takedown Pin PAGE 19 e ponk ee e For when you have trouble shooting Remove and clean the Round Not Extracted AEA Ator extractor following the 7 section Firearm Fails to Fire Safety Lever Place on FIRE t Bol Clean the Assembly eee pose tes Bee Restricted Buffer Assembly following the Cleaning eassembly seal for Instructions section proper installation of Firing Pin Remove and clean the Restriction of the Bolt and Bolt Carrier and the inside Bolt Carrier in the Upper of the Upper Receiver Receiver following the Cleaning Instructions section Firing Pin Installation Use a small pipe cleaner to wipe away excess oil reassemble as instructed in Bolt Carrier Group Too much oil inside bolt and Firing Pin Recess A E Discar fectiv o Reassembly section Defective Ammunition pee G
17. ates ammunition ys Discard defective Defective Ammunition 2 ammunition Clean the Bolt following the Excessive buildup on Bolt y SRE Corroded Old Dirty Remove and discard R Cleaning Instructions Ammunition ammunition Corroded or fouled Firing a E Pin and Firing Pin Recess OIE i sus Beane section of this manual Clean the Bolt following the Excessive buildup on Bolt Cleaning Instructions Clean the Bolt Assembly as Corr ogeoor oc sulle described in the Cleaning Improper Chambering of Bia AR i Place on FIRE clean or Clean the Magazine Clean the Bolt following the Bolt is Stuck Dirty or Damaged Bolt Cleaning Instructions or see a qualified gunsmith following the instructions TR O AAR Broken or Missing Take your firearm to a Extractor Spring qualified gunsmith of the Magazine s Follow the safety producer Damaged dirty or instructions in this manual Defective or Damaged Discard and Replace the Magazine magazine on how to safely remove corroded casing PA erety retry a stuck casing with your OP Soba ane ene cleaning rod Inspect and clean all components following ty N sae ails A bl the Cleaning Instructions Powder Fouling or other pe e Sinai H e est section If components are Chamber debris Y a ea damaged see a qualified section gunsmith Dirty Magazine Dirty or Damaged Buffer Remove Buffer Assembly Tap the bottom of the Magazine not fully Magazine to
18. boundaries of perfection and consistently rise further above both Military Standard and the standards of our competitors The result is a product imagined designed and produced for you under the finest scrutiny and the highest of expectations
19. d exterior Bolt Carrier Key dry with a Q Tip then apply one drop of CLP Apply a liberal amount of lubricant to the following components Bolt Bolt Cam Pin and Cam Pin socket Bolt Gas Rings Rail area on Bolt Carrier where it contacts the Upper Receiver Lower Receiver Apply a thin layer of lubricant to the inside of the Buffer Tube Buffer Spring and Buffer itself Liberally lubricate each of the assemblies inside the receiver including the Trigger Group Hammer Group Safety Selector Bolt Catch Magazine Release etc Lubricate the Takedown and Pivot Pins also Be sure to wipe residue off of the Lower Receiver body to prevent corrosion A black cloth for the final wipe down will not leave white lint behind Firearm Reassembly After thoroughly cleaning and lubricating your firearm follow these instructions to reassemble your firearm Bolt and Bolt Carrier Reassembly 1 Make sure the Extractor Spring Insert Guide is in place and the Extractor Spring is snapped into its respective socket on the interior of the Extractor Arm with the wide end of the spring in the socket 2 Place the Extractor into the Extractor Recess on the Bolt and reinsert the Extractor Pin PAGE 17 8 Warning Make sure all correct parts are installed properly the absence of any of these components will result in an unsafe and unreliable firearm Examine the Gas Rings on the Bolt Be sure the gaps in the three rings are
20. e the Upper Receiver from the Lower Receiver Remove the Bolt Carrier 4 Insert a cleaning rod in the muzzle and attempt to gently remove the casing If the firearm still does not fire clear the weapon and have it inspected by a qualified gunsmith In the event of a bullet stuck in the bore do NOT follow the previous instructions as firing a second bullet into an obstructed barrel can lead to a catastrophic failure and potentially serious injury or death Instead 1 Remove the Magazine by depressing the Magazine Catch Release Button 2 Pull the Charging Handle rearward and lock the Bolt open 3 Switch the Safety Selector to SAFE 4 Remove the Upper Receiver from the Lower Receiver 5 Use a cleaning rod to check for a bullet stuck in the bore 6 If you discover a barrel obstruction take it to a qualified gunsmith for proper removal Front and Rear Sights Your SQS15 firearm may be equipped with one of two different front sights 1 Combination Gas Block and Fixed Front Sight Post A2 Front Sight 2 Flip Up Front Sight Your SQS15 Firearm may be equipped with a flip up dual aperture Rear Sight or may be sight ready allowing you to purchase your own rear sight and or attach your own optics Both Front Sights are adjustable for elevation and the Rear Sight is adjustable for windage The Rear Sight has a Short Range aperture and an Extended Range aperture WINDAGE ADJUSTMENT KNOB SI
21. ety rules BCI Defense Instructions Safety Manual Do not tamper with the internal mechanism of your firearm only a competent gunsmith should ever adjust replace or tamper with firearm components Failure to follow this guideline may result in a catastrophic firearm failure If you notice an audible change in the firing of your weapon or a difference in recoil STOP FIRING AT ONCE This may be an indication that there is a bullet impacted in the barrel or you are experiencing incomplete powder burn Clear the weapon completely before you resume firing About your BCI Defense SQS15 This user instruction booklet is provided with all SQS15 variants All of our firearms are chambered for 5 56mm NATO and 223 Remington Ammunition Only these ammunition types should be used with your new SQS15 These firearms are light weight modular firearm platforms with gas operation They are Semi Automatic in operation for each trigger cycle one and only one shot will be fired All of the BCI Defense firearms have both Upper and Lower Receiver components that are easily broken apart for cleaning and inspection All SQS15 firearms are constructed of 7075 T6 aluminum receivers and buffer tubes SQS15 firearms are shipped with a 6 position SOPMOD stock and ergonomic pistol grip One 30 round magazine is shipped with your firearm Any AR 15 M 16 magazine will fit and function as intended with your SQS15 Introduction to Firearm Controls
22. gs Firing Pin Bolt Cam Pin Extractor and inside of Bolt Carrier both where the bolt rides and the rear of the Bolt Carrier 24 Wipe every piece clean and dry PAGE 15 25 While the firearm is disassembled inspect each part for damage excessive wear corrosion or mechanical failure e Check the Bolt Look for cracks especially around the Cam Pin socket Inspect the Bolt Face for pitting near the firing pin hole e Check the Cam Pin If it is cracked gouged chipped or otherwise damaged it Should be replaced Check the Firing Pin A bent firing pin should be replaced If the Firing Pin is too dull or sharp that is indicative of wear A worn firing pin should be replaced immediately e Check the Firing Pin Retaining Pin Any pin that is worn bent gouged etc should be replaced DO NOT REPLACE THIS PIN WITH A HARDWARE STORE COTTER PIN The Firing Pin Retaining Pin is constructed of heat treated spring steel with a flat head at the fold point Using a standard cotter pin can cause severe damage e Check the Extractor Assembly Any damage to the Extractor warrants immediate replacement Check that the spring and the spring guide inside the spring are in good working shape and condition Be sure to clean any residue on the backside of the Extractor and from the spring to ensure smooth operation BOLT CARRIER KEY BOLT CAM PIR Boe eS FIRING PIN RETAINING PIN HOLE If you find damaged components do n
23. h to stop firing before the magazine is empty 1 After you fire your last desired round immediately switch the Safety Selector to SAFE 2 Depress the Magazine Release Button to remove the loaded Magazine 3 Pull the Charging Handle back firmly to eject the live round from the Chamber 4 With the Bolt in the rearward position depress the bottom of the Bolt Catch to lock the Bolt Carrier in the rearward open position 5 Your firearm is now empty Immediate Response in the Event of a Failure If your firearm fails to fire 1 Tap upward on the bottom of the Magazine to ensure it is seated properly in the Lower Receiver 2 Pull the Charging Handle all the way rearward to eject the round Make sure the round is ejected properly Inspect the Chamber for to be sure it is clear 3 Release the Charging Handle to chamber the next round Never ease the Bolt forward manually as this can cause the round to improperly feed the Bolt not to lock or other issue 4 Tap the Forward Assist to make sure the Bolt is fully engaged in the Barrel Extension 5 Safely fire the weapon If your firearm still does not fire 1 Check again for a jammed cartridge case by clearing the Chamber BCI Defense Instructions Safety Manual 2 Ifa cartridge is stuck in the Chamber allow the gun to fully cool for at least 30 seconds with the muzzle pointed in a safe direction 3 Once cool remove the magazine and disassembl
24. ot fire the weapon until the matter has been addressed by a qualified gunsmith Cleaning the Lower Receiver 1 Use a quality CLP Cleaner Lubricant Protectant to remove powder fouling grime rust and other corrosion from the surfaces inside and outside of the lower receiver on your SQS15 2 Wipe the Trigger mechanism the Magazine Catch mechanism the bolt catch mechanism and the Takedown and Pivot pins Clean the Buffer Buffer Spring and Buffer Tube 3 If necessary the stock can be removed to allow cleaning of the Buffer Tube s Exterior as well as the six holes on the bottom of the Buffer Tube utilized for adjusting the stock position To remove stock pull down on the adjustment lever as opposed to up as you would to adjust it Slide the stock off to the rear of the firearm Installation is the reverse BCI Defense Instructions Safety Manual Important Lubrication Points Upper Receiver Apply a thin layer of lubricant to the inside of the Upper Receiver the bore and the Chamber A thin layer should also be applied to exterior surfaces to ward off corrosion To lubricate the Front Sight Detent depress the pin and apply 2 drops to the area Cycle the Detent up and down a few times to work in the lubricant Bolt Carrier Group Apply a thin layer of lubricant to the following components Firing Pin and Firing Pin cavity in Bolt Extractor and its pin e Charging Handle Bolt Carrier interior an
25. ove the point of impact to the right twist the knob to the right forward Carefully aim and fire another 3 shot group Steps 5 amp 6 can be repeated until you achieve point of aim and point of impact consistency Disassembling your SQS15 F 4 Clear your firearm instructions can be found in the preceding sections of this manual On the left side of the receiver press in the takedown pin as far as it will go A bullet can be used as an aide Pull it the rest of the way through from the right hand side Pivot the Upper Receiver away from the Lower Receiver Push in the Pivot Pin the same way as the Takedown Pin BCI Defense Instructions Safety Manual 5 Pull the Upper away from the Lower Receiver 6 Pull back Charging Handle 7 Remove the Bolt Carrier Group Your BCID firearm contains an Enhanced Bolt Carrier Group manufactured by Leitner Wise MFG 8 Remove the Charging Handle by pulling it back until the retaining ears reach the relief notch The Charging Handle will then drop free 9 Push the Firing Pin Retaining Pin out only until further resistance is felt as the pin does not need to be removed from the carrier in order to remove the firing pin This unique design prevents accidental loss of the pin in the field 10 Drop the Firing Pin out of the Bolt by tilting the assembly Bolt end up 11 Push the Bolt into the Bolt Carrier rearward position 12 Rotate the Cam Pin 90 and remove it
26. re Front and Rear Sights Sighting in your SQS15 Disassembling your SQS15 Inspecting Cleaning and Lubricating your SQS15 Cleaning the bore Cleaning the Upper Receiver Cleaning the Lower Receiver Important Lubrication Points Firearm Reassembly Bolt and Bolt Carrier Reassembly Installing the Bolt Assembly Attaching Upper and Lower Receivers Troubleshooting Maintenance in Extreme Conditions Warranty Information Record of Serial Number Serial Number Information 17 20 24 25 25 25 Warnings Precautions Remarks on Safety Fundamentals of Safe Firearm Handling Is ALWAYS keep your gun pointed in a safe direction 2 ALWAYS keep your finger off of the trigger until ready to shoot os ALWAYS keep the gun unloaded until ready to fire A Know your target and what lies beyond Always assume your firearm is loaded and follow the above fundamentals Warning Never rely on anything other than yourself for safety including the gun mechanisms and those around you Safe shooting and handling starts and ends with the operator Warning Property damage serious injury or death may occur from the misuse of this firearm Avoid carelessly or improperly handling this firearm to prevent avoidable accidental discharge Caution Carefully read the User Manual for your firearm before unpackaging loading and using your new BCI Defense firearm Strictly adhere to the instructions laid out in this manual to ensure safe operation
27. responsibility under this warranty shall be limited to repairing and or replacing any product that is found to be defective based upon the inspection by and discretion of BCI Defense LLC in material or workmanship This warranty is void for the following reasons careless handling abuse and misuse unauthorized adjustments or modifications use of improper ammunition excessive or unreasonable use ordinary wear and tear rust or corrosion and barrel obstruction Repairs are warranted for the duration of the original warranty and applies only to factory built products Wholesalers or dealers unless authorized by BCI Defense in advance are not authorized to make any warranty repair or adjustment on behalf of BCI Defense Record of Serial Number Export of the commodities described herein is strictly prohibited without a valid export license by the U S Department of State Office of Defense Trade Controls prescribed in the International Traffic in Arms Regulation ITAR Title 22 Code of Federal Regulations part 120 130 Serial Number Information Model Number Caliber Record the serial number of your BCI Defense LLC firearm Serial When holding the firearm the serial number is located on the left side of the lower receiver engraved on the magazine well just under the model name Description of Firearm BCI Defense LLC authorized dealer from which the firearm was purchased Attach your Proof of Purchase Here P
28. smaller capacity magazines will not have a curvature and the retaining lips will be used as the only reference for proper loading 3 Push the ammunition all the way to the rear of the magazine before inserting the next round in the same manner Do not attempt to overfill your magazine Warning Only load your magazine with live ammunition when you intend to shoot Chambering a Round Caution Only chamber a round when you are in a Safe shooting environment and prepared to fire Maintain a safe shooting direction 1 With the Hammer cocked move the Safety Selector to SAFE 2 Pull the Charging Handle rearward Make sure the Chamber is EMPTY 3 Insert a loaded magazine with the ammunition pointing in the same direction as the muzzle Tap the bottom of the magazine to ensure the Magazine Catch has clicked into place and the Magazine is fully inserted 4 Ifthe Bolt is open be sure to keep fingers clear of the Ejection Port and depress the Bolt Catch Release on the left side of the firearm This will release the Bolt and Bolt Carrier allowing it to move forward under spring tension and strip a round off of the top of the Magazine The bolt will feed the round into the chamber and lock BCI Defense Instructions Safety Manual 5 If the Bolt is closed keep fingers away from the Ejection Port pull the Charging Handle all the way to the rear and release The Bolt under Spring tension will rapidly move forw

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