Bolt Carrier Groups

M16 Full Auto Style for increased mass and lock time.This BCG is precision machined from 8620 steel with a shot peened bolt manufactured from Carpenter 158 and Magnetically Particle Inspected. LanTac USA LLC, 556 ENhanced BCG, Gold, TiN...

Sons of Liberty Gun Works Bolt Carrier Group 223 Remington/556NATO - Manganese Phosphate Finish Sons of Liberty goes to show that in order to make the best products in the industry, you don't have to add bells and whistles. It takes consistently...

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...

  The Enhanced Bolt Carrier Group for AR15/M16 platform weapons was designed to minimize carrier tilt and reduce friction inside the upper receiver by relocating key bearing surfaces. All materials, tolerances, and coatings meet or exceed...

  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...

  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...

  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 allows the pin to operate without lube. This...