Bolt Carrier Groups

The heart of a reliable AR-15 build is a quality 5.56 bolt carrier group assembly. These are the same high quality BCG's Angstadt makes for law enforcement and military groups around the world...

BCG components are NiB-X coated and polished to reduce fouling adherence. Coating is guaranteed for life against chipping, spalling or flaking. Over 30K rounds in Government protocol endurance...

Your Bolt Carrier Group is one of the most critical parts of your build. Don't buy an imitation. This is the Spike's Tactical BCG with Nickel Boron Coating. Nickel Boron Coating Inside and Out...

  FailZero M16/4 Full-Auto BCG - No Hammer - Black Nickel Boron EXO This BCG is perfect for shooters looking for a tactical advantage resulting from the non-reflective properties. The carrier comes...

  FailZero AR15 Semi-Auto BCG - No Hammer - Black Nickel Boron EXO This BCG is perfect for shooters looking for a tactical advantage resulting from the non-reflective properties. The carrier comes...

  Battle Arms Development BAD-BCG-M16 Bolt Carrier Group M16 M16 Full Auto Carrier 9310 Bolt Black Nitride Finish Complete bolt carrier group with carrier, bolt, properly staked gas key, cam pin,...

  Spikes Tactical AR15 Lightweight Nickel Boron BCG HPT/MPI Now you can get a proven Spike's Tactical Lightweight M16 BCG Coated in Nickel Boron! If you’re looking for the finest BCG on the market...

  Bootleg Adjustable Carrier AR15 .223/5.56mm Complete Bolt carrier group, Machined from S7 Tool Steel, Lithium Isonite Coating, 4 Setting Adjustable Vent System relieves excess gas pressure created...

LANTAC E-BCG, Enhanced Bolt Carrier Group M16 Full Auto Style for increased mass and lock time. The new BCG is precision machined from 8620 Steel with a shot peened bolt manufactured from Carpenter...

  The POF Roller Cam Pin reduces friction and drag of the bolt carrier. The roller cam pin rolls as the action moves. The roller cam pin is NP3 coated and the body is Milspec hard chrome plated. This...

  Spike's Tactical HPT/MPI M16 Bolt Carrier Group (223/5.56). Bolt carrier group specifications- -Mil-Spec 8620 tool steel M16 bolt carrier w/shrouded firing pin.

KAK Industry, Bolt Carrier Group, 5.56 NATO/300 Blackout, 9310 Bolt Steel, NP3 Finish, Titanium Gray The NP3 coating is applied through an electroless nickel plating process combined with a...