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| Best Seller  | Fostech AR-15 Complete Lite Bolt Carrier Group BCG Low Mass Nickel Boron Coating FT-BCG-NB-LOWMASS Fostech AR-15 Complete Lite Bolt Carrier Group BCG Low Mass Nickel Boron Coating FT-BCG-NB-LOWMASS. These Bolt Carrier Groups by FosTech Outdoors are constructed out of nickel boron ensuring the best quality and performance possible for your rifle.... ... more | FREE shipping go to store |
 | Wmd Guns Ar-15/M16 Nib-X Bolt Assembly - Ar-15 Nib-X Complete Bolt Nickel Boron exterior gives this bolt an incredibly hard finish that protects against wear and corrosion for the ultimate in durability. The extreme smoothness and built-in lubricity of the coating also reduces friction and gives carbon deposits... ... more
Wmd Guns Ar-15/M16 Nib-X Bolt Assembly - Ar-15 Nib-X Complete Bolt Nickel Boron exterior gives this bolt an incredibly hard finish that protects against wear and corrosion for the ultimate in durability. The extreme smoothness and built-in lubricity of the coating also reduces friction and gives carbon deposits... | go to store |
| Best Seller  | Wmd Guns M16 5.56 Nickel Boron Bolt Carrier Groups - M16 Nib-X Bolt Carrier Group W/ Hammer Each WMD bolt-and-carrier set is precisely machined from high-grade steel alloy to government M16 specs, then given WMD's proprietary NiB-X nickel boron coating that results in a super-smooth, harder-than-chrome surface. NiB-X reduces friction to... ... more
Wmd Guns M16 5.56 Nickel Boron Bolt Carrier Groups - M16 Nib-X Bolt Carrier Group W/ Hammer Each WMD bolt-and-carrier set is precisely machined from high-grade steel alloy to government M16 specs, then given WMD's proprietary NiB-X nickel boron coating that results in a super-smooth, harder-than-chrome surface. NiB-X reduces friction to... | go to store |
 | J P Enterprises Ar-15 5.56 Low Mass Complete Bolt Carrier Groups - Jpbc-3a Low-Mass Bolt & Carrier $20 off $200+. Use code SEPT20Precision-machined, stainless bolt-and-carrier group features JP's enhanced bolt made of high-grade 9310 steel for a significantly longer life expectancy than standard mil-spec bolts. Set is available with choice of JPBC-2A Low Mass carriers that... ... more
J P Enterprises Ar-15 5.56 Low Mass Complete Bolt Carrier Groups - Jpbc-3a Low-Mass Bolt & Carrier Precision-machined, stainless bolt-and-carrier group features JP's enhanced bolt made of high-grade 9310 steel for a significantly longer life expectancy than standard mil-spec bolts. Set is available with choice of JPBC-2A Low Mass carriers that... | go to store |
 | JP Enterprises Complete JPBC Bolt Carrier Group BCG JPBC-4SP Silver JPBC-4SPA JP Enterprises Complete JPBC Bolt Carrier Group BCG JPBC-4SP Silver JPBC-4SPA. 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... ... more | FREE shipping go to store |
 | Wmd Guns M16 5.56 Nickel Boron Bolt Carrier Groups - M16 Nib-X Bolt Carrier Group Each WMD bolt-and-carrier set is precisely machined from high-grade steel alloy to government M16 specs, then given WMD's proprietary NiB-X nickel boron coating that results in a super-smooth, harder-than-chrome surface. NiB-X reduces friction to... ... more
Wmd Guns M16 5.56 Nickel Boron Bolt Carrier Groups - M16 Nib-X Bolt Carrier Group Each WMD bolt-and-carrier set is precisely machined from high-grade steel alloy to government M16 specs, then given WMD's proprietary NiB-X nickel boron coating that results in a super-smooth, harder-than-chrome surface. NiB-X reduces friction to... | go to store |
 | Spikes Tactical M16 5.56 Nickel Borron Bolt Carrier Group - .223/5.56 Bolt/Carrier, Nickel-Boron $20 off $200+. Use code SEPT20Matched bolt/carrier set is machined to mil-spec dimensions using the latest manufacturing and quality-control techniques to deliver superb reliability in both semi-auto and select-fire rifles. Carrier is hard-chromed inside and has an M16-type... ... more
Spikes Tactical M16 5.56 Nickel Borron Bolt Carrier Group - .223/5.56 Bolt/Carrier, Nickel-Boron Matched bolt/carrier set is machined to mil-spec dimensions using the latest manufacturing and quality-control techniques to deliver superb reliability in both semi-auto and select-fire rifles. Carrier is hard-chromed inside and has an M16-type... | go to store |
 | Wmd Guns Ar-15 5.56 Nickel Boron Bolt Carrier Groups - Ar-15 Nib-X Bolt & Carrier Group $20 off $200+. Use code SEPT20Each WMD bolt-and-carrier set is precisely machined from high-grade steel alloy to government M16 specs, then given WMD's proprietary NiB-X nickel boron coating that results in a super-smooth, harder-than-chrome surface. NiB-X reduces friction to... ... more
Wmd Guns Ar-15 5.56 Nickel Boron Bolt Carrier Groups - Ar-15 Nib-X Bolt & Carrier Group Each WMD bolt-and-carrier set is precisely machined from high-grade steel alloy to government M16 specs, then given WMD's proprietary NiB-X nickel boron coating that results in a super-smooth, harder-than-chrome surface. NiB-X reduces friction to... | go to store |
 | JP Enterprises Complete JPBC Bolt Carrier Group BCG JPBC-4 .308 Black JPBC-4AHP JP Enterprises Complete JPBC Bolt Carrier Group BCG JPBC-4 .308 Black JPBC-4AHP. 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.... ... more | FREE shipping go to store |
 | JP Enterprises Complete JPBC Bolt Carrier Group BCG JPBC-4 .308 Black JPBC-4A JP Enterprises Complete JPBC Bolt Carrier Group BCG JPBC-4 .308 Black JPBC-4A. 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... ... more | FREE shipping go to store |
 | American Built Arms Company Pro 5.56 Bolt Carrier Group BCG Nickel Boron Silver ABABCGNiB American Built Arms Company Pro 5.56 Bolt Carrier Group BCG Nickel Boron Silver ABABCGNiB. These Bolt Carrier Groups by American Built Arms Company are built of 8620 steel and coated in Nickel Boron with a Nickel Boron coated bore so you'll need... ... more | FREE shipping go to store |
 | American Built Arms Company Pro 5.56mm Bolt Assembly Silver/Black Small ABA5.56B American Built Arms Company Pro 5.56mm Bolt Assembly Silver/Black Small ABA5.56B. For superior reliability these Bolt Carrier Groups feature a nickel boron coated bolt and extractor each crafted from heat-treated steel. A nickel boron coated bolt... ... more | FREE shipping go to store |
 | Faxon Firearms AR Bolt Complete 5.57 Black FF556BCNITRIDE Faxon Firearms AR Bolt Complete 5.57 Black FF556BCNITRIDE. 56/300 Bolt. Faxon Firearms machined these Bolt Carrier Groups from 9310 tool steel with an S7 tool steel extractor for maximum durability. The Faxon Firearms AR-15 5.56/300 Nitrided Bolt is... ... more | FREE shipping go to store |
 | Daniel Defense Bolt Carrier Group BCG Complete 5.56mm NATO 04-013-19032 Daniel Defense Bolt Carrier Group BCG Complete 5.56mm NATO 04-013-19032. 56 NATO (5.56x45mm & .223 Remington) / 300 Blackout (7.6x35mm) full-auto compatible M16 Profile complete Bolt Carrier Group BCG assembly. CARRIER Machined from 8620 steel Heavy... ... more | FREE shipping go to store |
 | Faxon Firearms Ar-15 Lightweight 5.56 Bolt Carrier Complete - 5.56 Lightweight 9310 Bolt Carrier Com $20 off $200+. Use code SEPT20Faxon Firearms set out to create a bolt carrier group that could live up to the GUNNER name with no compromise in strength or function. They set specifications that would allow no compromise: Lightest Weight Possible (8.5 Ounces Complete) MIL-SPEC... ... more
Faxon Firearms Ar-15 Lightweight 5.56 Bolt Carrier Complete - 5.56 Lightweight 9310 Bolt Carrier Com Faxon Firearms set out to create a bolt carrier group that could live up to the GUNNER name with no compromise in strength or function. They set specifications that would allow no compromise: Lightest Weight Possible (8.5 Ounces Complete) MIL-SPEC... | go to store |
 | Aero Precision .308 Winchester/7.62 Bolt Carrier Group BCG Black Nitride APRH308186 Aero Precision .308 Winchester/7.62 Bolt Carrier Group BCG Black Nitride APRH308186. 308 Complete Black Nitride Bolt Carrier Group BCG is ideal for your big-bore rifle build. These Bolt Carrier Groups from Aero Precision are MPI/HPT inspected and... ... more | FREE shipping go to store |
 | Spikes Tactical BCG 5.56 M16 w/HPT/MPI Bolt Lightweight - Nickel Boron Finish ST5BG05 Spikes Tactical BCG 5.56 M16 w/HPT/MPI Bolt Lightweight - Nickel Boron Finish ST5BG05. These Bolt Carrier Groups by Spikes Tactical have shot peened bolts that are CNC machined from 158 carpenter steel and a mil-spec tool steel carrier key that is... ... more | FREE shipping go to store |
 | Lantac Enhanced Full Auto Style Bolt Carrier Group BCG w/ NiB Coating .223/5.56x45mm LA00223 Lantac Enhanced Full Auto Style Bolt Carrier Group BCG w/ NiB Coating .223/5.56x45mm LA00223. Precision machined from high quality 8620 steel and coated with NiB electroless nickel boron with advanced UCT EXO these Bolt Carrier Groups by LANTAC... ... more | FREE shipping go to store |
 | ODIN Works AR 15 Black Nitride Bolt Carrier Group BCG Black AR15 .223 ACC-.223 -BCG ODIN Works AR 15 Black Nitride Bolt Carrier Group BCG Black AR15 .223 ACC-.223 -BCG. e.) .223/5.56mm .300 Blackout Specifications for ODIN Works Bolt Carrier: Manufacturer: ODIN Works Color: Black Finish: Nitride Gun Model: M4 AR-15 Condition: New... ... more | FREE shipping go to store |
 | XTS BCG-N Bolt Carrier Group BCG Silver BCG-N XTS BCG-N Bolt Carrier Group BCG Silver BCG-N. The XTS BCG is designed to be used with standard Mil-Spec gas keys. Forward assist serrations are machined on the carrier itself to aid in the manipulation of the bolt. The carrier itself is then nickel... ... more | FREE shipping go to store |
 | Wilson Combat Bolt Carrier Assembly 5.56 NATO Carpenter 158 Black Phosphate TR-BCA Wilson Combat Bolt Carrier Assembly 5.56 NATO Carpenter 158 Black Phosphate TR-BCA. The Wilson Combat Bolt Carrier Assembly comes in several different finishes depending on your shooting needs: nickel boron black nitride and parkerized. Nickel boron... ... more | FREE shipping go to store |
 | Brownells M16 5.56 Bolt Carrier Group Nickel Boron Mp - M16 Bolt Carrier Group 5.56x45mm Ni Boron Mp The Brownells M16 5.56 Complete Bolt Carrier Group is an affordable option that is built and tested to provide flawless operation in any AR-15 or M16. The Brownells M16 5.56 Complete Bolt Carrier Group features a bolt fabricated from 9310 steel that... ... more
Brownells M16 5.56 Bolt Carrier Group Nickel Boron Mp - M16 Bolt Carrier Group 5.56x45mm Ni Boron Mp The Brownells M16 5.56 Complete Bolt Carrier Group is an affordable option that is built and tested to provide flawless operation in any AR-15 or M16. The Brownells M16 5.56 Complete Bolt Carrier Group features a bolt fabricated from 9310 steel that... | go to store |
 | Black Rain Ordnance Bolt Carrier Group BCG Nickel Boron BRO-BCG Black Rain Ordnance Bolt Carrier Group BCG Nickel Boron BRO-BCG. 56x45mm NATO .223 Remington Hand: Right Bolt Material: Steel Carrier Material: 8620 Steel Package Contents: Black Rain Ordnance Bolt Carrier Group Black Rain Ordnance BRO-BCG: Bolt... ... more | FREE shipping go to store |
 | Black Rain Ordnance .458 Bolt Carrier Group BCG Nickel Boron BRO-BCG-458S Black Rain Ordnance .458 Bolt Carrier Group BCG Nickel Boron BRO-BCG-458S. 458 Bolt Carrier Group BCG Specifications for Black Rain Ordnance .458 Bolt Carrier Group (BCG): Manufacturer: Black Rain Ordnance Color: Silver Finish: NIB Cartridge: .458... ... more | FREE shipping go to store |
 | Black Rain Ordnance Bolt Carrier Group BCG Left Handed Nickel Boron BRO-BCG-LH Black Rain Ordnance Bolt Carrier Group BCG Left Handed Nickel Boron BRO-BCG-LH. 56x45mm NATO .223 Remington Gun Make: AR Platform Gun Model: AR-15 Hand: Left Condition: New Bolt Material: Steel Carrier Material: 8620 Steel Package Contents: Black... ... more | FREE shipping go to store |
 | Faxon Firearms Ar-15 9mm Bolt Carrier Group For Glock And Colt - Ar-15 9mm Complete Bolt Black The entire Faxon Firearms 9mm AR-15 Full-Mass Bolt / Carrier Group is machined from a single billet of mil-spec 8620 carbon steel. Even the integral gas "key" is machined as part of the carrier - no fasteners to worry about working loose. Faxon also... ... more
Faxon Firearms Ar-15 9mm Bolt Carrier Group For Glock And Colt - Ar-15 9mm Complete Bolt Black The entire Faxon Firearms 9mm AR-15 Full-Mass Bolt / Carrier Group is machined from a single billet of mil-spec 8620 carbon steel. Even the integral gas "key" is machined as part of the carrier - no fasteners to worry about working loose. Faxon also... | go to store |
 | Fostech AR-15 Complete Bolt Carrier Group BCG Black Nitride Coating FT-BCG Fostech AR-15 Complete Bolt Carrier Group BCG Black Nitride Coating FT-BCG. This is a standard full-auto M16 cut Nickel Boron Bolt Carrier Group BCG. It is designed to function with the Echo AR-II and the Echo Sport. Specifications for Fostech AR-15... ... more | FREE shipping go to store |
 | Fostech AR-15 Stripped Carrier w/Gas Key Nickel Boron FT-BC-NB Fostech AR-15 Stripped Carrier w/Gas Key Nickel Boron FT-BC-NB. This Bolt Carrier from the product experts at FosTech Outdoors is stripped meaning it has the gas key removed but the bolt retainer and spring are still attached. For an amazing way to... ... more | FREE shipping go to store |
 | Brownells M16 5.56 Bolt Carrier Group Chrome Mp - M16 Chrome Bolt Carrier Group Classic Retro Chrome M16 Bolt Carrier Groups match the finish of the bolt found on the earliest AR-15 & M16 rifles introduced. The Brownells M16 Chrome 5.56 Complete Bolt Carrier Group included a bolt machined from 9310 steel, which is magnetic... ... more
Brownells M16 5.56 Bolt Carrier Group Chrome Mp - M16 Chrome Bolt Carrier Group Classic Retro Chrome M16 Bolt Carrier Groups match the finish of the bolt found on the earliest AR-15 & M16 rifles introduced. The Brownells M16 Chrome 5.56 Complete Bolt Carrier Group included a bolt machined from 9310 steel, which is magnetic... | go to store |
 | Brownells M16 5.56 Bolt Carrier Group Chrome Mp - M16 Chrome Bolt Carrier Group No Serrations Classic Retro Chrome M16 Bolt Carrier Groups match the finish of the bolt found on the earliest AR-15 & M16 rifles introduced. The Brownells M16 Chrome 5.56 Complete Bolt Carrier Group included a bolt machined from 9310 steel, which is magnetic... ... more
Brownells M16 5.56 Bolt Carrier Group Chrome Mp - M16 Chrome Bolt Carrier Group No Serrations Classic Retro Chrome M16 Bolt Carrier Groups match the finish of the bolt found on the earliest AR-15 & M16 rifles introduced. The Brownells M16 Chrome 5.56 Complete Bolt Carrier Group included a bolt machined from 9310 steel, which is magnetic... | go to store |
 | Faxon Firearms Faxon AR-15 Stripped Upper Receiver Type II M16 Nitrided Bolt Carrier Group BCG FF65GBCGCNITRIDE UR-FAX-F-A-S. Faxon Firearms developed these AR15 Upper Receivers with the highest quality of materials and expert craftsmanship to... ... more | FREE shipping go to store |
 | Angstadt Arms Ar-15 9mm Bolt Carrier Group - Ar-15 9mm Bolt Carrier Group Black $20 off $200+. Use code SEPT20The one-piece Angstadt Arms' 9mm Bolt / Carrier Group is a complete bolt assembly for your blowback-operated AR-15 chambered specifically in 9mm Luger. The underside is ramped to ensure proper clearance for use of a standard AR-15 rifle/carbine... ... more
Angstadt Arms Ar-15 9mm Bolt Carrier Group - Ar-15 9mm Bolt Carrier Group Black The one-piece Angstadt Arms' 9mm Bolt / Carrier Group is a complete bolt assembly for your blowback-operated AR-15 chambered specifically in 9mm Luger. The underside is ramped to ensure proper clearance for use of a standard AR-15 rifle/carbine... | go to store |
 | Anderson Manufacturing .308 Bolt Carrier Group BCG Nitrided B2-L630-AA00 Anderson Manufacturing .308 Bolt Carrier Group BCG Nitrided B2-L630-AA00. 308 BCG comes complete with Extractor Cam Pin Plunger Retainer Firing Pin and Gas Key.Ready to drop in your Upper Specifications for Anderson Manufacturing .308 Bolt Carrier... ... more | FREE shipping go to store |
 | American Tactical Imports AR-15 Complete Upper 450 Bushmaster 16in Barrel Parkerized 15in Keymod Rail Black ATI15MS450BM. 16in barrel 1:24 twist with 15in Keymod rail and 5/8x32 flash hider. Nitride bolt carrier group. Browse and shop all of our 450... ... more | FREE shipping go to store |
 | Spikes Tactical BCG 5.56 M16 w/HPT/MPI Bolt Nickel Boron Finish ST5BG03 Spikes Tactical BCG 5.56 M16 w/HPT/MPI Bolt Nickel Boron Finish ST5BG03. These Bolt Carrier Groups by Spikes Tactical have shot peened bolts that are CNC machined from 158 carpenter steel and a mil-spec tool steel carrier key that is expertly... ... more | FREE shipping go to store |
 | Spikes Tactical BCG .308 - Nickel Boron Finish STXBG03 Spikes Tactical BCG .308 - Nickel Boron Finish STXBG03. 308 Bolt Carrier Group BCG available with a phosphate or nickel boron finish. Thee Bolt Carrier Groups brought to you by Spikes Tactical feature an 8620 tool steel carrier gas key and extractor... ... more | FREE shipping go to store |
 | Spikes Tactical BCG .308 - Phosphate Finish STXBG01 Spikes Tactical BCG .308 - Phosphate Finish STXBG01. 308 Bolt Carrier Group BCG available with a phosphate or nickel boron finish. Thee Bolt Carrier Groups brought to you by Spikes Tactical feature an 8620 tool steel carrier gas key and extractor as... ... more | FREE shipping go to store |
 | FailZero 458 SOCOM Bolt Carrier Group BCG No Hammer Nickel Boron Coated FZ-458-01-NH FailZero 458 SOCOM Bolt Carrier Group BCG No Hammer Nickel Boron Coated FZ-458-01-NH. 458 SOCOM Condition: New Bolt Material: Steel Carrier Material: 8620 Steel Package Contents: FailZero 458 SOCOM Bolt Carrier Group No Hammer FailZero FZ-458-01-NH:... ... more | FREE shipping go to store |
 | FailZero AR10 Bolt Carrier Group BCG Nickel Boron Coated FZ-AR10-01-NH FailZero AR10 Bolt Carrier Group BCG Nickel Boron Coated FZ-AR10-01-NH. 308 Bolt Carrier Group BCG. All essential parts of these Bolt Carrier Groups by FailZero are coated with EXO nickel boron that provides a permanent dry lubricity while... ... more | FREE shipping go to store |
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