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| Best Seller  | WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Black 1-NIBXBCG0001-Black WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Black 1-NIBXBCG0001-Black. NiB-X Black coated. Firing Pin - Manufactured heat-treated hardened chromed and certified per government drawings. Carrier - AR-15 or M16 style (heavy weight) 8620... ... more | FREE shipping go to store |
 | WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Titanium Blue 1-NIBXBCG0005-TB WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Titanium Blue 1-NIBXBCG0005-TB. Specifically engineered for NiB-X nickel boron coating to provide long life high reliability and easy cleaning and maintenance. Coating is guaranteed for life... ... more | FREE shipping 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 the... ... 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 the... | 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 the... ... 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 the... | 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 the... ... 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 the... | go to store |
 | WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Coyote Tan 1-NIBXBCG0005-Coyote Tan WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Coyote Tan 1-NIBXBCG0005-Coyote Tan. Specifically engineered for NiB-X nickel boron coating to provide long life high reliability and easy cleaning and maintenance. Coating is guaranteed for life... ... more | FREE shipping go to store |
 | WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Northern Lights 1-NIBXBCG0005-NL WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Northern Lights 1-NIBXBCG0005-NL. Specifically engineered for NiB-X nickel boron coating to provide long life high reliability and easy cleaning and maintenance. Coating is guaranteed for life... ... more | FREE shipping go to store |
 | WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Tiffany Turquoise 1-NIBXBCG0005-TT WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Tiffany Turquoise 1-NIBXBCG0005-TT. Specifically engineered for NiB-X nickel boron coating to provide long life high reliability and easy cleaning and maintenance. Coating is guaranteed for life... ... more | FREE shipping go to store |
 | WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Zombie Green 1-NIBXBCG0005-Zombie Green WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Zombie Green 1-NIBXBCG0005-Zombie Green. Specifically engineered for NiB-X nickel boron coating to provide long life high reliability and easy cleaning and maintenance. Coating is guaranteed for... ... more | FREE shipping go to store |
 | WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Sea Blue 1-NIBXBCG0005-Sea Blue WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Sea Blue 1-NIBXBCG0005-Sea Blue. Specifically engineered for NiB-X nickel boron coating to provide long life high reliability and easy cleaning and maintenance. Coating is guaranteed for life... ... more | FREE shipping go to store |
 | WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Battle Grey 1-NIBXBCG0005-Battle Grey WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Battle Grey 1-NIBXBCG0005-Battle Grey. Specifically engineered for NiB-X nickel boron coating to provide long life high reliability and easy cleaning and maintenance. Coating is guaranteed for... ... more | FREE shipping go to store |
 | WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Cobalt 1-NIBXBCG0005-Cobalt WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Cobalt 1-NIBXBCG0005-Cobalt. Specifically engineered for NiB-X nickel boron coating to provide long life high reliability and easy cleaning and maintenance. Coating is guaranteed for life against... ... more | FREE shipping go to store |
 | WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X NRA Blue 1-NIBXBCG0005-NRA Blue WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X NRA Blue 1-NIBXBCG0005-NRA Blue. Specifically engineered for NiB-X nickel boron coating to provide long life high reliability and easy cleaning and maintenance. Coating is guaranteed for life... ... more | FREE shipping go to store |
 | WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Crimson 1-NIBXBCG0005-Crimson WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Crimson 1-NIBXBCG0005-Crimson. Specifically engineered for NiB-X nickel boron coating to provide long life high reliability and easy cleaning and maintenance. Coating is guaranteed for life... ... more | FREE shipping go to store |
 | WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Flat Dark Earth 1-NIBXBCG0005-FDE WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Flat Dark Earth 1-NIBXBCG0005-FDE. Specifically engineered for NiB-X nickel boron coating to provide long life high reliability and easy cleaning and maintenance. Coating is guaranteed for life... ... more | FREE shipping go to store |
 | WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Safety Orange 1-NIBXBCG0005-SO WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Safety Orange 1-NIBXBCG0005-SO. Specifically engineered for NiB-X nickel boron coating to provide long life high reliability and easy cleaning and maintenance. Coating is guaranteed for life... ... more | FREE shipping go to store |
 | WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Marine Corp Red 1-NIBXBCG0005-MCR WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Marine Corp Red 1-NIBXBCG0005-MCR. Specifically engineered for NiB-X nickel boron coating to provide long life high reliability and easy cleaning and maintenance. Coating is guaranteed for life... ... more | FREE shipping go to store |
 | V Seven Tin Gold 5.56 AR-15/M16 Bolt Carrier Complete Nickel Boron 16 in BCG-TiN556 V Seven Tin Gold 5.56 AR-15/M16 Bolt Carrier Complete Nickel Boron 16 in BCG-TiN556. 56 AR-15/M16 Bolt Carrier Complete was developed to function as the ideal product for anybody needing an exceptional choice.. These Bolt Carrier Groups through the... ... more | FREE shipping go to store |
 | TRYBE Defense AR-15 5.56 Complete Bolt Carrier Group BCG High-Polished Gold Titanium Nitride BCG556-GLD. This fully assembled Bolt Carrier Group BCG from TRYBE Defense includes the bolt bolt carrier gas key firing pin cam pin and firing pin retaining... ... more | FREE shipping go to store |
 | WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Jesse James Green 1-NIBXBCG0005-JJG WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Jesse James Green 1-NIBXBCG0005-JJG. Specifically engineered for NiB-X nickel boron coating to provide long life high reliability and easy cleaning and maintenance. Coating is guaranteed for life... ... more | FREE shipping go to store |
 | Faxon Firearms 5.56 M16 Bolt Carrier Group Nitride Chameleon PVD FF556BCGCNITRIDE-NCR Faxon Firearms 5.56 M16 Bolt Carrier Group Nitride Chameleon PVD FF556BCGCNITRIDE-NCR. Improvements include using 9310 tool steel for the bolt nitriding the assembly to increase surface hardness decrease resistance and have superior corrosion... ... more | FREE shipping go to store |
 | TRYBE Defense AR-15 5.56 Complete Bolt Carrier Group BCG High-Polished Metallic Chrome Nitride BCG556-MC. This fully assembled Bolt Carrier Group BCG from TRYBE Defense includes the bolt bolt carrier gas key firing pin cam pin and firing pin retaining... ... more | FREE shipping go to store |
 | Faxon Firearms 5.56 M16 Bolt Carrier Group Nitride TiN PVD FF556BCGCNITRIDE-TiN Faxon Firearms 5.56 M16 Bolt Carrier Group Nitride TiN PVD FF556BCGCNITRIDE-TiN. Improvements include using 9310 tool steel for the bolt nitriding the assembly to increase surface hardness decrease resistance and have superior corrosion resistance... ... more | FREE shipping go to store |
 | AT3 Tactical AR-15 Bolt Carrier Group BCG 5.56 NATO/.300 Blackout Black Nitride BCG-M16-BN AT3 Tactical AR-15 Bolt Carrier Group BCG 5.56 NATO/.300 Blackout Black Nitride BCG-M16-BN. It features a black salt bath nitride finish MPI inspected bolt properly staked grade 8 gas key screws. The black nitride finish features excellent hardness and... ... more | FREE shipping go to store |
 | Midwest Industries Bolt Carrier Group BCG 9310 5.56/AR15 Black Titanium Nitride Finish MI-BCG-NIT Midwest Industries Bolt Carrier Group BCG 9310 5.56/AR15 Black Titanium Nitride Finish MI-BCG-NIT. The Carpenter 158 Bolt is heat treated shot peened precision ground for perfect dimensions and MPI Tested. The 4140 Billet Gas Key is properly torqued... ... more | FREE shipping go to store |
 | Cryptic .223 / 5.56 / .300 AAC Blackout Bolt Carrier Group BCG Left Hand Dragon's Breath CC-0110-LH Cryptic .223 / 5.56 / .300 AAC Blackout Bolt Carrier Group BCG Left Hand Dragon's Breath CC-0110-LH. Coated bolt carrier group (full auto version) for AR15 M16 or M4 machined from Mil-Spec 8620 aircraft quality steel with shrouded firing pin and... ... 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 attached... ... more | FREE shipping go to store |
 | Cryptic .223 / 5.56 / .300 AAC Blackout Bolt Carrier Group BCG Dragon's Breath CC-0110 Cryptic .223 / 5.56 / .300 AAC Blackout Bolt Carrier Group BCG Dragon's Breath CC-0110. Coated bolt carrier group (full auto version) for AR15 M16 or M4 machined from Mil-Spec 8620 aircraft quality steel with shrouded firing pin and Mil-Spec chrome... ... more | FREE shipping go to store |
 | Spikes Tactical BCG 5.56 M16 w/HPT/MPI Bolt - Phosphate Finish ST5BG01 Spikes Tactical BCG 5.56 M16 w/HPT/MPI Bolt - Phosphate Finish ST5BG01. 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 attached... ... more | FREE shipping go to store |
 | Tacfire AR15 5.56 NATO Bolt Carrier Group BCG Black BCG Tacfire AR15 5.56 NATO Bolt Carrier Group BCG Black BCG. 56 NATO Bolt Carrier Group BCG/MPI Tested Nitride (made in specialized factories) Specifications for Tacfire AR15 5.56 NATO Bolt Carrier Group (BCG): Manufacturer: TacFire Finish: Nitride... ... more | FREE shipping go to store |
 | Dark Storm Industries DS-15 5.56 Bolt Carrier Group BCG Nickel Boron DSI-BCG-556-NIB Dark Storm Industries DS-15 5.56 Bolt Carrier Group BCG Nickel Boron DSI-BCG-556-NIB. 223 5.56 or .300 Blackout Specifications for Dark Storm Industries DS-15 5.56 Bolt Carrier Group (BCG): Manufacturer: Dark Storm Industries Fabric/Material: Steel... ... more | FREE shipping go to store |
 | WMD Guns M16/AR-15 Bolt Carrier Group BCG .308 NiB-X Nickel 1-NIBXBCG308 WMD Guns M16/AR-15 Bolt Carrier Group BCG .308 NiB-X Nickel 1-NIBXBCG308. Specifically engineered for NiB-X nickel boron coating to provide long life high reliability and easy cleaning and maintenance. The BCG components are coated and polished to... ... more | FREE shipping go to store |
 | American Built Arms Company Pro 5.56 Bolt Carrier Nickel Boron Mil-Spec Silver ABABCNiB American Built Arms Company Pro 5.56 Bolt Carrier Nickel Boron Mil-Spec Silver ABABCNiB. 56 Bolt Carrier Nickel Boron Mil-Spec. This item only includes a bolt carrier; it is not a complete Bolt Carrier Group BCG. American Built Arms Company built these... ... more | FREE shipping go to store |
 | WMD Guns M16/AR-15 Bolt Carrier Group BCG 9mm NiB-X Nickel 1-NIBXBCG9MM WMD Guns M16/AR-15 Bolt Carrier Group BCG 9mm NiB-X Nickel 1-NIBXBCG9MM. Specifically engineered for NiB-X nickel boron coating to provide long life high reliability and easy cleaning and maintenance. The BCG components are coated and polished to... ... more | FREE shipping go to store |
 | WMD Guns Bolt Assembly 5.56 NiB-X Nickel 1-NIBXBA556 WMD Guns Bolt Assembly 5.56 NiB-X Nickel 1-NIBXBA556. WMD Guns designed these Bolt Carrier Groups to provide a superior locking and unlocking action with bolt extensions making this bolt assembly a vital part of your weapon build. The WMD Guns NIB-X... ... more | FREE shipping go to store |
 | WMD Guns M16/AR-15 Bolt Carrier Group BCG 6.5 Grendel Type ll NiB-X Nickel 1-NIBXBCG65GRENDEL WMD Guns M16/AR-15 Bolt Carrier Group BCG 6.5 Grendel Type ll NiB-X Nickel 1-NIBXBCG65GRENDEL. Specifically engineered for NiB-X nickel boron coating to provide long life high reliability and easy cleaning and maintenance. The BCG components are coated... ... more | FREE shipping go to store |
 | WMD Guns M16/AR-15 Bolt Carrier Group BCG .224 Valkyrie/6.8 SPC NiB-X Nickel 1-NIBXBCG224 WMD Guns M16/AR-15 Bolt Carrier Group BCG .224 Valkyrie/6.8 SPC NiB-X Nickel 1-NIBXBCG224. Specifically engineered for NiB-X nickel boron coating to provide long life high reliability and easy cleaning and maintenance. The BCG components are coated and... ... more | FREE shipping go to store |
 | WMD Guns M16/AR-15 Bolt Carrier Group BCG .450 BM NiB-X Nickel 1-NIBXBCG450BM WMD Guns M16/AR-15 Bolt Carrier Group BCG .450 BM NiB-X Nickel 1-NIBXBCG450BM. Specifically engineered for NiB-X nickel boron coating to provide long life high reliability and easy cleaning and maintenance. The BCG components are coated and polished to... ... more | FREE shipping go to store |
 | TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group BCG Nickel Boron BCG-NB-ENH TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group BCG Nickel Boron BCG-NB-ENH. 56 Enhanced Complete Bolt Carrier Group BCG. This superior bolt carrier is made of high strength AISI 8620 steel precision-machined on Citizen Swiss CNC... ... more | FREE shipping go to store |
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