5.56 NATO AR-15 Bolt Carrier Groups
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AT3™
AT3™ Black Nitride 5.56 Bolt Carrier Group with Breek Arms Warhammer AR-15 Charging Handle
AT3 Black Nitride BCG + Breek Warhammer AR-15 Charging Handle The AT3 Tactical BCG and Breek Warhammer Charging Handle pair perfectly to complete your AR-15 upper receiver. Save on this...8 Options -
AT3™RECOMMENDED
AT3™ AR-15 Bolt Carrier Group (BCG) – 5.56 NATO/.300 Blackout – Black Nitride
AT3 Tactical is bringing you the best with this Top-Tier Black Nitride Bolt Carrier Group Getting a high quality bolt carrier group (BCG) that runs well in your rifle is... -
AT3™
AT3™ AR-15 Replacement Bolt – 5.56 NATO/.300 Blackout – Black Nitride
AT3 Replacement AR-15 Bolt This AR-15 replacement bolt from AT3 Tactical easily replaces a broken bolt in your rifle. This bolt comes complete with extractor and ejector assemblies already installed... -
RECOMMENDED
KAK Industry K-SPEC Downward Venting 5.56 BCG with Dual Ejector Bolt
KAK Industry K-SPEC Downward Venting 5.56 BCG with Dual Ejector Bolt The K-SPEC Enhanced AR15 BCG is a high-quality bolt carrier group designed for use with both 5.56 and 300... -
Bear Creek Arsenal 5.56 NATO / .300 Blackout / .350 Legend AR-15 Bolt Carrier...
Bear Creek Arsenal 5.56 NATO / .300 Blackout / .350 Legend AR-15 Bolt Carrier Group - Nitride The Bear Creek Arsenal AR-15 Bolt Carrier Group (BCG) is a versatile component... -
AT3™
AT3™ Slick Side AR-15 Upper with Black Nitride 5.56 Bolt Carrier Group
AT3 Black Nitride Bolt Carrier Group with Slick Side Billet Upper - 8 Colors to Choose From Get a head start on your build with the AT3 Black Nitride Bolt...8 Options -
AT3™
AT3™ AR-15 Bolt Carrier Group – 5.56 NATO/.300 Blackout – Nickel Boron
Get the Performance You Need with a Nickel Boron Bolt Carrier Group Whether you're starting a fresh build or upgrading from stock, a bolt carrier group that performs reliably is... -
Aero Precision PRO Series AR-15 Black Nitride Bolt Carrier Group
Go PRO - The Best BCG that Aero Precision has to Offer The Aero Precision PRO 5.56 Bolt Carrier Group represents the best value for the most prolific, high-volume shooters.... -
Odin Works .223/5.56 Black Nitride AR 15 Bolt Carrier Group
High-Quality BCG Upgrade For .223/5.56 & 300 Blackout The Odin Works .223/5.56 Bolt Carrier Group is a high-quality upgrade for Mil-Spec BCG that fits AR-15/M4 pattern rifles in .223 Remington,... -
Faxon Firearms 5.56 M16 Complete Bolt Carrier Group – Black Nitride
Black Nitride Faxon BCG for 5.56, .300 BLK, and .350 Legend This Faxon Firearms Bolt Carrier Group is a complete high-quality BCG upgrade designed for AR15/M16 platforms chambered in 5.56×45... -
Rise Armament Nickel Boron AR-15 Bolt Carrier Group
Rise Armament Nickel Boron AR-15 Bolt Carrier Group RISE Armament offers its signature AR-15 Bolt Carrier Group in a nickel boron coating, which provides unparalleled performance due to its unique... -
KAK Industry K-SPEC Dual Ejector 5.56 NATO AR-15 Bolt
KAK Industry K-SPEC Dual Ejector 5.56 NATO AR-15 Bolt The K-SPEC Enhanced AR15 Bolt is a high-quality bolt designed specifically for the 5.56/300 Blackout caliber. It incorporates a dual ejector... -
Sons of Liberty Gun Works Bolt Carrier Group – .223/5.56 NATO
The Best AR-15 BCG Upgrade From Sons Of Liberty Gun Works The Sons of Liberty Gun Works Bolt Carrier Group is a high-quality BCG upgrade made to the highest standards... -
Faxon Firearms 5.56 M16 Complete Bolt Carrier Group – TiN PVD
An Exceptional BCG Upgrade with A Unique TiN PVD Finish For 556 Rifles This Faxon Firearms Bolt Carrier Group is a complete high-quality BCG upgrade designed for AR15/M16 platforms chambered... -
AT3™
AT3 Upper Receiver Black + AT3 Bolt Carrier Group + Breek Arms Warhammer Charging...
Complete your Next Build with AT3's Top-Selling Billet Upper Receiver and BCG plus the Trusted Breek Arms Warhammer Charging Handle Save by bundling vs purchasing the parts individually, plus free... -
Faxon Firearms 5.56 Gunner Lightweight Bolt Carrier Group – Black Nitride
Sleek and Reliable Lightweight BCG For 5.56 Gunner Rifles The Faxon Firearms 5.56 Gunner Lightweight Bolt Carrier Group is an outstanding option for AR-15 builders running the .223/5.56 caliber platform.... -
Battle Arms Development Titanium AR-15 Bolt Carrier Group
Full Auto Titanium AR-15 Bolt Carrier Group Lighten your AR15 with a Titanium Bolt Carrier with ArmorTI coating, providing properties never seen before. A smooth machined surface with the coating... -
Faxon Firearms 5.56 M16 Complete Bolt Carrier Group – Chameleon PVD
An Exceptional BCG Upgrade with A Unique Chameleon PVD Finish For 556 Rifles This Faxon Firearms Bolt Carrier Group is a complete high-quality BCG upgrade designed for AR15/M16 platforms chambered... -
Wilson Combat AR-15/M16 Bolt Carrier Group – .223/5.56 NATO – Black Phosphate
Top-Quality Precision BCG from Wilson Combat The Wilson Combat AR-15/M16 Bolt Carrier Group is a precision quality part from Wilson Combat manufactured by the finest domestic Mil-Spec contractors and considered... -
Battle Arms Development Standard M16 AR-15 Bolt Carrier Group
Battle Arms Development Standard M16 AR-15 Bolt Carrier Group Made with a variety of smoothly machined quality materials, this bolt carrier exceeds all mil-spec standards. A staked gas key and... -
Phase 5 Weapon Systems M16 Cut Bolt Carrier Group for AR-15 – .223/5.56 NATO
Upgrade Your AR15 with the Best Black Phosphate BCG from Phase 5 Tactical The Phase 5 Weapon Systems M16 Cut Bolt Carrier Group is a high-quality upgrade designed for M16/M4/AR-15... -
Radian Weapons Enhanced 5.56 NATO AR-15 Bolt Carrier Group
Radian Enhanced AR-15 Bolt Carrier Group The Radian Enhanced AR-15 Bolt Carrier Group features a redesigned bolt body to increase reliability. Radian re-profiled the BCG, changing key bearing surfaces to... -
LBE Unlimited 5.56 Nickel Boron Bolt Carrier Group for AR-15
Ultra Slick & Durable Nickel Boron BCG from LBE This LBE Unlimited 5.56 Bolt Carrier Group is an outstanding option for a BCG upgrade that will turn your AR-15 into... -
Rise Armament Black Nitride AR-15 Bolt Carrier Group
Rise Armament Black Nitride AR-15 Bolt Carrier Group RISE Armament has produced an exceptional AR-15 Bolt Carrier Group (BCG) that is manufactured with the utmost precision and care. Each BCG...
5.56 BCGs for your AR-15, including AT3’s affordable MPI inspected nitride bolt carrier group. Get your BCG today, with
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