Bolt Carriers Gun Parts

(715 deals total)

Lakota Ops 9MM Nitride Bolt Carrier Group - Accepts Glock and Colt mags FEATURES: Machined from 8620 Steel QPQ Black Nitride Finish Compatible with both GLOCK and Colt Magazines Ramped bolt for a standard AR-15 hammer Features removable weight SPECIFICATIONS: Brand: Lakota Ops Caliber: 9mm Bolt Head Finish: QPQ Nitride Carrier Finish: QPQ Nitride Carrier Material: 8620 Alloy Steel Platform: AR-15 Style: Standard Color: Black Full Auto Compatible: Yes

430-102-757WB ENHANCED 9MM AR BOLT WITH 9MM SCS FOR LAW TACTICAL FOLDER Mfr Part: JPBC-9SL-5H2 LA Cartridge: 9 mm Luger JP Enhanced 9mm AR Bolt with 9mm SCS for Law Tactical Folder The Law Tactical Folding Stock Adapter is far and away the most popular and capably designed device of its type. With the release of our Law-compatible AR-15 and AR-10 Silent Captured Springs, the only missing piece was compatibility with our ultra-reliable 9mm blowback operating system components. With this new operating system package, that piece is missing no longer.

Product #: 329160 Manufacturer #: UP-038 UPC #: 748252206329 Alex Pro Firearms (APF) has been in business since 1976 crafting highly precise components. APF has taken their line of precision AR components and added a Nickel Boron coating to provide increased lubricity and much greater wear resistance than standard finishes. The APF Nickel Boron BCG is heat treated, shot peened, and machined to mil spec standards. If you are looking for a high quality BCG that will provide years of abuse, this nickel boron BCG is the perfect upgrade to your firearm. Features

Item #: superman blue red bcg MSF blue Bolt Carrier Group and Red Extended latch charging handle.  If you Like red and blue and America, this set is for you!

Description A titanium AR15 BCG offers you the strength and durability of steel at a fraction of the weight. Add the Rubber City Armory Titanium BCG’s proprietary nitride finish and you have a bolt carrier group that is lightweight, smooth, and tough as steel. FEATURES: - Strong, easy-to-clean, enhanced heat treated Blackntride finish inside and out - Aerospace surface treatment provides ultimate durability and wear resistance - Lighter and stronger than standard Mil-Spec steel bolt carrier group - Precision machined bolt - Billet gas key properly torqued and staked

Complete 5.56 Polished Black Nitride BCGOur Nitrided M16 BCG is micro polished before and after the Melonite process, producing a beautiful finish and an extremely slick surface. The carrier is made from 8620 steel. The bolt is made from 9310 steel and is MPI Tested and engraved.

Bolt Features:Carpenter 158 SteelHeat treatedShot PeenedMPI Tested MaterialNickel Boron CoatedBolt Carrier Features:8620 Steel Nickel Boron CoatedNickel Boron Coated BoreFull Auto M-16 Style MADE IN THE USASledge Charging Handle:Mil-Spec6061-T6 Aircraft AluminumOver Sized LatchSmooth Operation Under Extreme ConditionsFits: AR-15/ AR-9MM/ AR-47/AR-300BLKOUT Rifles  AR-15Hexmag Series II True 10 RoundsHexmag Features:10-Round Magazine in A 30-Round BodyPatented Polyhex2 Fiber-Reinforced Polymer Impact Resistant BodyRaised Hexagon Pattern Provides Superior Grip for Secure HandingAnti-Corrosion He

This M16 Bolt Carrier Group drops right into your M16, AR15 or M4 platform rifle. We source our components from manufacturers that meet or exceed Military Specifications. All parts are machined and properly heat treated to Mil-Spec followed by complete Nickel Boron coating with UCT’s Exclusive EXO Technology.

This Toolcraft 7.62x39 complete AR BCG comes with an enhanced firing pin to reliably ignite hard Russian primers and is perfect for steel cased surplus ammo. Mil-spec extractor spring, black extractor insert, Viton O-ring Tool steel extractor Enhanced firing pin for hard primers Mil-spec 4130 steel gas key attached with Grade 8 hardware and properly staked Caliber: 762x39

M16/AR15 Bolt - 9310 MPI (5.56) - Completion Kit - Nickel Boron This is a complete bolt completion kit finished in Nickel Boron. This Kit comes with everything you need to complete your Bolt Carrier Group other than the Carrier itself. These are perfect kits to keep as a spare or backup for your BCG.

This 458 Socom black nitride BCG from Toolcraft is a popular choice for AR-15, M4 and M16 builds due to its mil-spec design and lifetime warranty. The bolt is made from enhanced 9310 steel while the carrier is made from 8620 tool steel. It is shot-peened and magnetic particle inspected before being made available for sale and has a variety of other top-of-the-line features, including: Mil-spec extractor spring, black extractor insert, Viton O-ring Tool steel extractor Shrouded firing pin Mil-spec 4130 steel gas key attached with Grade 8 hardware and properly staked Caliber: .458 SOCOM

Manufacturing of Faxon barrels begins and ends in their Cincinnati, Ohio facility under ISO 9001/9100 quality certifications. Each barrel they produce is fully stress relieved, air-gauge tested, and 11-degree target crowned to ensure superior accuracy. Crafted from the best materials, either certified 4150 MIL-SPEC steel, each barrel undergoes rigorous quality controls before QPQ finishing and final inspection. Once finished, barrels are examined for proper headspace using precision custom hardened gauges. Features: - Chambered in 5.56 NATO with a 1:8 twist

308 BOLT CARRIER GROUP 8620 Steel Carrier Salt Bath Black Nitride Finish Staked gas key

Description BCG .223/5.56 Bolt Replacement Carpenter 158 Bolt Assembly Hard Ground Critical Diameters S110 Shot Peened, Heat Treated 15N 89-90.5 Hardness. Magnetic Particle Inspected. NiB or QPQ Nitride Finished. Complete Assembly. Made in the USA. Weight 0.0000 oz Finish Black Nitride, Nickel Boron MPN 01-UP-556-NIB-BA, 01-UP-556-NIT-BA SKU: lantac-5.56-bolt-assembly

Charging Handle Features: Ambidextrous Material: 6061 T6 Aluminum Steel Latch Finish: Type III Hard-Coat Anodized Perfect Replacement for Any Factory Charging Handle Oversize Release Levers on Both Sides No Gun Smith Required Can Be Charged in Any Desired Motion Bolt Carrier Group Features: Made in USA Carrier M16 Style (Auto) Machined From 8620 Tool Steel Heat Treated to Military Specification Bolt Machined From 9310 Tool Steel Heat Treated to Mil Shot Peened Ground to Meet Military Required Tolerances MPI (Mag Particle Inspected) Gas Key Machined From 4140

5.56 Phosphate Complete Bolt Assembly, Cam Pin, Firing Pin and Firing Pin retaining Pin, Phosphate Coated, Uses all Standard Mil Spec components Specifications for Bootleg Inc Carrier Completion Kit , .223/5.56mm Compete Bolt, Cam Pin, Firing Pin, Firing Pin Retaining Pin, Black: Color: Black Caliber: 5.56mm, .223 Remington Additional Features: Cam Pin and 1 Firing Pin

BCG + Charging Handle Combo: AR-15 M4 Charging Handle Mil-Spec Quality + Recoil Technologies BCG, PVD Rainbow Finish, M16, 5.56/.223, 9310 Bolt, Machined Extractor BCG Don't forget to hit that thumbs up! Like what you see?  Subscribe to get deals straight to your inbox.

CMC Triggers Enhanced Bolt Carrier Group was designed for shooters who demand superior performance weapon components in the heart of their firearm. CMC proudly manufacturers the highest quality firearms components in the industry. Carrier Assembly: The flared rear of the enhanced bolt carrier is designed to reduce carrier tilt/cant during recoil and increase reliability by strategically relocating key bearing surfaces. Made from Case-hardened 8620 steel.

Faxon Bolt Carrier Groups are Superfinished to reduce friction, increase smoothness of operation, and reduce fouling. Further, they are full-Auto rated and maintain the trip for full-auto fire control groups and new multi-stage trigger systems. Gas keys use grade 8 fasteners and are fully staked for a lifetime of service. Improvements include using 9310 tool steel for the bolt, which is stronger and nitriding the assembly to increase surface hardness, decrease resistance, and have superior corrosion resistance compared to typical chrome and phosphasted bolt carrier groups.

M16 bolt carrier groups are durable, reliable, and made from the highest quality mil-spec components. Specifications for UnbrandedAR M16 Nitride Bolt Carrier Group: Color: Black Finish: Nitride Fabric/Material: 9310 Steel Caliber: 5.56x45mm NATO, .223 Wylde, .300 AAC Blackout Gun Make: AR Platform Gun Model: AR-15 Hand: Ambidextrous 4RJ-BCG-M16BCG-7034-0030-0000 UPC#: 811069029013

Milspec Carpenter No. 158® steel bolt Shot Peened Bolt Gas Key Hardened to USGI Specifications Gas Key Grade 8 Hardened Fasteners Gas Key Staked Per Mil-Spec Tool Steel Extractor Extractor Spring Extractor O-Ring Insert 223/5.56/300 Blackout

SKU KIT-0470 DETAILS Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - No Logo SKU: 516446914 QTY: 1 MAGPUL PMAG 30 Round Magazine GEN 2 MOE 5.56X45 SKU: 2 QTY: 10 FEATURES Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt Manufacturer: Palmetto State Armory Product Line: PA-15 Platform: AR-15 Caliber: 5.56/.223 Finish: Nickel Boron Coating Bolt Steel: Milspec Carpenter No. 158 Bolt: Shot Peened Mag Particle Inspected: Yes

The CMC Triggers Enhanced AR-15 Bolt Carrier Group has been expertly designed to increase the life and reliability of your AR rifle. It features a new geometry that reduces the amount of friction points against the upper receiver reducing wear and making the action feel smoother. It is also finish in a salt bath Nitride finish which further increases lubricity and hardness, so you can go longer between cleaning. However, it still has Mil-Spec dimensions for compatibility in all AR-15 upper receivers.

The Remington 700 Receiver makes a great platform for your next custom rifle build. It features a short action 308 winchester bolt face, steel construction and an externally adjustable X Mark Pro trigger. Remington logo Made In United States of America Product #: 979523 Manufacturer #: R27553 UPC #: 810070685720

Product #: 325398 Manufacturer #: 51006

Description

The Radical Firearms 7.62x39mm Bolt Carrier Group features an M16 pattern 8620 tool steel carrier with 9310 alloy steel bolt, shot-peened for increased surface strength and durability. Each bolt is equipped with an extractor booster to ensure reliable cycling during rapid semi-auto or full-auto fire. A properly staked gas key prevents gas leakage that can lead to short stroking. Each assembly is magnetic particle inspected to ensure it is free from defects that can lead to premature failures. Melonite finish for maximum corrosion resistance. Back Specifications

JP Enterprises JPBC-2: Stainless full mass tactical carrier with QPQ (without buffer), Black Specifications for JP Enterprises Stainless Full Mass FMOS Bolt Carrier: Finish: Black Additional Features: with QPQ without buffer

Full Mass Operating System For police duty or any application where absolute reliability is the main criteria, our 416 stainless steel Full Mass Operating System (FMOS) carrier design is the top of the line. The JPBC-2 has every strength an operator expects from a Mil-spec. carrier matched up with improvements born from decades of shooting and engineering experience. Heavier than a standard .308 carrier, our large-frame JPBC-5 is the solution for rifle needing more mass regulation.

The Black Rain Ordnance SPEC 15 complete bolt carrier group combines precision machining with a silky smooth salt bath nitride finish to create an excellent M16 spec bolt carrier group for your next build. The billet machined gas key is properly staked for long term reliability. High pressure tested and magnetic particle inspected. SPECIFICATIONS

Item : 111866 SKU : TRBCANB308 Model : Bolt Carrier Assembly UPC : 811826027160 This Wilson Combat Bolt Carrier Assembly is a .308 Winchester DPMS-compatible AR rifle bolt carrier group. The bolt is precision machined from Carpenter 158 steel and includes an S7 tool steel extractor and hardened ejector. The 8620 hardened steel carrier is smooth and without forward assist cuts. This assembly includes a properly staked gas key for a lifetime of service in your next custom build. Manufacturer Wilson Combat Pricing Unit EA Model Bolt Carrier Assembly UPC 811826027160 SKU TRBCANB308

Recoil Technologies 5.56/.223/.300 Bolt Carrier Group 9310 Nickel Boron NiBx Polished Bolt Don't forget to hit that thumbs up! Like what you see?  Subscribe to get deals straight to your inbox.   

Improved carrier geometry with M16 profile. NiB (Nickel Boron) plating reduces friction, adding corrosion resistance inside and out as well as wear resistance. Bolt machined from 9310 steel and MPI tested and marked. Carrier machined from 8620 steel. Shot peened precision ground diameters. Magnetic particle inspected and laser marked. Extractor machined from S7 tool steel. Crane extractor O ring to boost extraction clamping force. Gas key machined from billet 4140 with grade fasteners and staked to mil spec. Chrome plated firing pin per mil spec.

Pic shows carrier with angles, but most of these are round. Complete Black Nitride / Melonite Bolt Carrier Group. Smooth & Protective Nitride coating.  5.56/223 & 300 Blackout BCG  - M16 Carrier-8620 steel - Bolt-9310 steel - MPI Tested  - Shot Peened - Upgraded Extractor Spring with o-ring - Properly staked gas key   Made in the USA Note: may have slight blemishes, etc. we inspect these, check headspace with a good barrel, and test fire occasionally, so you may see brass marks on the bolt face from test firing.      Item #: bnitridebcgdeel

Faxon Machining engineers and manufactures components that are found everywhere. In theaters of combat, on the ocean floor, in cars, in aircraft, on the ISS, and on Mars. Now, they bring their engineering excellence to bear on providing new and innovative components for the AR-15 platform that set the standard for quality. Faxon Firearms, manufacturing strategic solutions for tactical problems.

Description The Lantac Full Auto Bolt Carrier Group .223/5.56 is machined from 8620 steel with a QPQ (Quench Polish Quench) nitride coated black finish. This BCG features shrouded forward-facing gas ports that allows the system to run with a smoother energy pulse. The tail of the carrier has a flared boss helping improve the lock position with the upper and increasing accuracy.

Description Our upgraded .308/7.62 Nickel Boron BCG is an eye catching addition to your AR build. Exacting dimensions and superiorcoating ensure the highest quality and correct component interface. Compatible with LR-308, SR25, DPMS Pattern and 6.5 Creedmoor. Nickel Boron coating by Fail Zero. Features: - Carrier is machined from 8620 steel - Nickel Boron coated - Bolt is machined from 9310 steel - MPI - Forward Assist serrations - Weight: 17.92oz BCG Includes: - Bolt carrier - Complete bolt - Firing pin - Cam pin - Retaining pin

 Blue bolt carrier groups with stars lasered on them. Grab one of these star spangled bcgs today! Our solid, reliable m16 bolt carrier group with an enhanced low friction high durability coating.  This is just what you need to make your ar15 build your own.  Awesome blue color that changes depending on oilyness & lighting.  varies from dark/light blue to purply.   BCG Features: - 8620 m16 Carrier - c158 bolt, MPI/HPT Tested, Shot Peened, Nitrided - staked gas key, grade 8+ fasteners, enhanced extractor spring with oring - Quality and guaranteed performance

Not all Nickel Boron is created equal and FailZero is the undisputed pioneer of Nickel Boron technology. When failure is not an option, you can depend on FailZero. The M16 Bolt Carrier Group is fully assembled and drop-in ready for most MIL-SPEC upper receivers. All critical parts are coated with EXO Nickel Boron technology providing permanent dry lubricity, extreme durability and increased wear and corrosion resistance. This patented Nickel Boron coating will reduce friction and improve the overall performance of your rifle.

Description The NBS AR-15 5.56/.223 Left-Handed BCG is the perfect starting point for our wrong-handed friends. This BCG has one of the best black nitride finishes we have seen, and comes in a mil-spec design with a lifetime warranty. The bolt is made from enhanced 9310 steel while the carrier is made from 8620 tool steel. It is shot-peened and magnetic particle inspected. Included: - Bolt w/ D2 Extractor - Bolt Carrier w/ staked Gas Key - Cam Pin - Firing Pin - Firing Pin Retaining Pin Technical Specs:  - Gas system: Direct Impingement

Whether you're looking to finish off a new AR-15 build or need a spare bolt-carrier group to have on-hand as a ready replacement (always a good idea), TacFire has you covered with its AR-15 Bolt Carrier Group. The Tacfire .308 Bolt Carrier Group is built to provide dependable operation. These Bolt Carrier Groups are made for a DPMS LR 308 GEN. 1 pattered AR rifle. It is Serrated for use with a forward assist. If you're looking for smoother operation with your AR-15, you can not go wrong with a .308 Bolt Carrier Group from Tacfire Specifications for Tacfire .308 Bolt Carrier Group:

Enhanced 9mm AR Bolt, combined with a Silent Captured Spring System.New to this revision of our JPBC-9SL and JPBC-9SL-SP bolt assemblies is last round holt open compatibility with our line of short-stroke Silent Captured Springs. This bolt assembly will provide reliable last-round lockback with any compatible receiver such as our GMR-15. Specifications for JP Enterprises EnhancedBolt 9mm AR Bolt Carrier Group Kit - JP Short Silent Capture Spring: Fabric/Material: 416R Stainless Steel Caliber: 9mm Luger J5-ABA-EB9KITSH-JPBC-9SL-SP5H2SS UPC#: 812872025636

Item Number: 205371 Aero Precision .308 / 7.62 Bolt Carrier Group, No Logo - Nickel This M5 .308 / 7.62 Nickel Boron bolt carrier is an eye catching addition to your AR build. It features a mil-spec dimensions and coating, is made of steel, and has forward assist serrations. Included is: a bolt carrier, complete bolt, firing pin, cam pin, and a retaining pin. SPECIFICATIONS - Brand Aero Precision - Caliber 7.62x51mm NATO - Model Bolt Carrier Group - Finish Nickel Boron - Material Steel - Firearm Fit M5 Platform - Weight 17.60 oz MPN#: APRH100185C 815421020151

078-000-563WB AR-15 Bolt Carrier Group 5.56x45mm Nitride MP Cartridge: 223 Remington, 5.56 mm NATO, 300 AAC Blackout Finish: Black Nitride Description Specs A Bolt-Carrier Group Purpose-Built to Run Reliably in Your AR-15

The JP Enterprises Bolt Carrier For Large Frame was developed in order to be the ideally suited product for anybody looking for a high quality selection.These Bolt Carrier Groups through the skilled product specialists at JP Enterprises are fashioned working with dependable and dependable materials, as a way to provide you with a product which is going to be useful for a long time.

Full Mass Operating SystemFor police duty or any application where absolute reliability is the main criteria, our 416 stainless steel Full Mass Operating System (FMOS) carrier design is the top of the line. The JPBC-2 has every strength an operator expects from a Mil-spec. carrier matched up with improvements born from decades of shooting and engineering experience.

M16-cut carrier Machined from 8620 tool steel (carrier) and 9310 steel (bolt) Carrier has forward assist serrations Salt bath black nitride finish – advanced lower friction coating that minimizes the need for lubricants and cleaning Properly staked gas key Machined & heat treated to USGI Specifications. Internally QC checked and tested to ensure reliability.

This 7.62x39mm Bolt Carrier Group is fully assembled and drop-in ready for most MIL-SPEC upper receivers. All critical parts are coated with EXO Nickel Boron technology providing permanent dry lubricity, extreme durability and increased wear and corrosion resistance. This patented Nickel Boron coating will reduce friction and improve the overall performance of your rifle. NOTE: In spite of the included Enhanced Firing Pin, light strikes may still occur when shooting TulAmmo or Golden Tiger ammunition due to excessive primer depth. Features: - 7.62x39mm compatible

The Jacob Grey 9mm Bolt Carrier Group is purpose built for AR-15 pistol caliber carbines that utilize Colt or Glock style magazines. This 9mm BCG features a removable weight and is full auto compatible. The AR-15 style extractor is machined from a billet of steel for improved reliability and durability while the stainless-steel firing pin utilizes a standard cotter pin for ease of disassembly. The JG 9mm BCG also features an integral carrier key for the charging handle to interface with.

For a lighter, faster, more manageable rifle; Packing exceptional performance in a lightweight but full-power package the RISE Armament RA-1010 Low-Mass Bolt Carrier Groups (BCG) is designed to help you shoot more accurately. With a reduced reciprocating mass during the firing cycle, it lessens recoil and helps you stay on target. The complete BCG weighs in at just under 8.9 ounces. Its black nitride finish enhances strength and reduces friction for improved performance. Specifications for RISE Armament RA-1010 Low-Mass Bolt Carrier Group: Color: Black Finish: Black Nitride

Founded in January 2014, Cryptic Coatings specializes in bolt carrier groups and BCG coatings. With an ever-expanding product line, their BCGs and coatings offer reduced friction, longer lifespans, and increased performance, backed by their lifetime warranty.

Founded in January 2014, Cryptic Coatings specializes in bolt carrier groups and BCG coatings. With an ever-expanding product line, their BCGs and coatings offer reduced friction, longer lifespans, and increased performance, backed by their lifetime warranty.

Bolt: - Type II (.136″) bolt - 9310 Tool Steel Construction (Stronger than C158) - Full MIL-SPEC Heat Treatment - Shot Peened to MIL-SPEC - Magnetic Particle Inspection (MPI) - Back of Lugs Chamfered for Reliability - spring Insert, & “Crane” O-Ring Installed - QPQ -?Salt Bath Nitrided - .136” Co-Bore Depth “Type II” Bolt Extractor: - S7 Tool Steel Construction - Fully Heat Treated - Shot Peened Per MIL-SPEC - Black Oxide to Match Bolt ?Carrier & Key: - Superfinished Carrier - Carrier: MIL-SPEC 8620 Steel Material - Key: 4140 Steel Material - Fully Heat Treated

Includes entire Bolt Carrier Assembly/Extractor Assembly for ARs.-Bolt CarrierCarrier Key-Firing Pin-Cam Pin-Firing Pin Retaining PinSKU: BC-A-223 Specifications for Luth-AR Complete Bolt Carrier Assembly .223: Color: Black Caliber: .223 Remington Gun Make: AR Platform Included Accessories: Firing Pin Retaining Pin, Carrier Key, Bolt Carrier, Cam Pin, Firing Pin

The WMD NiB-X AR-308 Bolt Carrier Group is precision built from quality materials, from the 8620 tool steel carrier with properly staked gas key to the 9310 super-steel bolt assembly ensuring a long and dependable service life. In addition, WMD has engineered this BCG from the ground up for use with their proprietary NiB-X Nickel Boron coating, This unique treatment provides an exceptionally slick surface that almost eliminates the need for additional lubrication while also allowing for fast and easy cleaning. This DPMS pattern bolt features a standard .308 bolt assembly. Back

MMC Armory AR-15 5.56/.223/.300/.350 Nitride Bolt Carrier Group - Nickel Boron Bolt and Cam Pin Don't forget to hit that thumbs up! Like what you see?  Subscribe to get deals straight to your inbox.   

This M16 Bolt Carrier Group drops right into your M16, AR15 or M4 platform rifle. Or any of the Jacob Grey JG-15 upper receivers. They source components from manufacturers that meet or exceed our high expectations. All parts are machined and properly heat treated to Mil-Spec followed by complete Nickel Boron coating, then polished to a high shine so less oils and lubricants are needed to have your BCG function as it needs to.

Why a BCG from Griffin Armament? The simple answer is that these BCGs are the best we have used in our ten years of military service and over a decade of industry involvement. When you look at a top shelf product you can see its quality. These are the best mil spec pattern there are. The Griffin BCG combines an 8620 carrier, 9310 Bolt, 4340 cam pin and extractor. All the proper heat treats, the correct shot peen, and the often neglected post heat treated grind are present.

The JP Enterprises Polished Stainless LMOS Carrier is made of durable stainless steel with a polished finish so you know you're getting the most durability available in a bolt carrier. These Bolt Carrier Groups from the experts at JP Enterprises weight 6.75 ounces with the key installed. They are not meant for use in .308 AR-type rifles, but are ideally meant for use with small-frame .223. For sturdy construction and the toughest materials, trust the JP Enterprises Polished Stainless LMOS Carrier. Specifications for JP Enterprises Polished Stainless LMOS Carrier: Finish: Silver

An absolutely top-notch bolt carrier group, the JP Enterprises Stainless LMOS Carrier with QPQ comes with a staked carrier key installed. These Bolt Carrier Groups from the experts at JP Enterprises are machined from 416 stainless steel and are finished with JP's QPQ hard coating process for better lubricity and long lasting use. The JP Enterprises Complete JPBC Bolt Carrer Group bolt does not include serrations for a forward assist but does include a dust cover notch. Specifications for JP Enterprises Stainless LMOS carrier with QPQ: Finish: Black Caliber: .223 Remington