Bolt Carrier Groups

High quality components and precise manufacturing make Rise Armament parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on. Rise Armament,...

The LBE Nickel Boron Complete BCG includes the firing pin, retaining pin, cam pin, extractor and bolt gas rings. Made in the USA. LBE Unlimited, 556 Bolt Carrier Group, Nickel Boron Coated Fits AR-15 Complete NIB BCG Made in the USA

High quality components and precise manufacturing make Lantac parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on. LanTac USA LLC,...

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. Machined to mil-spec dimensions and finished in a beautiful...

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 testing did not wear the coating off. Especially beneficial...

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 (Bolt, Carrier, and Gas Key) Laser Engraved with ST...

LanTac USA Enhanced BCG Full Auto 5.56 Black M16 Full Auto Style for increased mass and lock time.Our BCG is precision machined from 8620 steel with a shot peened bolt manufactured from Carpenter 158 and Magnetically Particle Inspected. The entire...

  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...