Bolt Carrier Groups

  FailZero M16/4 Full-Auto BCG - No Hammer - Nickel Boron EXO This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers.  All critical parts are coated with EXO Nickel Boron...

  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 with a black topcoat/exterior with FailZero EXO...

  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 with a black topcoat/exterior with FailZero...

  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, retaining pin and firing 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 today, search no more! This is the...

  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 from suppressor use creating longer dwell time...

  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. -Carrier has 5.3.1.2 MIL-STD-171 phosphate finish inside and out with 1.2.2.2...

SOLGW Hard Chrome 5.56 Bolt Carrier Group 158 Carpenter SP/HPT/MPI The Sons of Liberty Gun Works (SOLGW) Hard Chrome Bolt Carrier Group is built to be the heart of your AR platform—precision-engineered for reliability, durability, and performance...