Bolt Carrier Groups

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec .458 SOCOM Upper Receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability, and increased...

Sons of Liberty Gun Works looks at the bolt carrier group as the heart of the gun. If the gas port is the lungs, then the bolt carrier group is the heart. Its what drives the entire gun. If you look at the AR platforms cycle of operations, everything...

Failzero 450 Bushmaster, Bolt Carrier Group, Silver, No Hammer, Nickel Boron Fz-450-01-nhModel: 450 BushmasterProduct Type: Bolt Carrier GroupFinish/Color: Nickel BoronDescription: No Hammer

This BCG is designed to operate with either 6.5 Grendel or Hornadys new 6mm ARC. Will not work with CMMG MkW platform. It is designed for standard AR variants.Features :CALIBER: 6.5 Grendel/6mm ARC

Rise Armament Bolt Carrier Group, Silver, Nickel Boron Ra-1010-nibProduct Type: Bolt Carrier GroupFinish/Color: Nickel Boron

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 technology that provides permanent dry lubricity, extreme durability and...

Manufactured by their finest domestic Mil-Spec contractors these are among the best 5.56 AR rifle bolts on the market and the same bolts they use as the basis of their renowned custom rifles! Their bolt is precision machined from Carpenter 158" shot...

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 milspec...

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity" extreme durability and increases both...

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.Features...

High quality components and precise manufacturing make CMC 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.Features :Precise...

The CMC Triggers Suppressor Optimized Enhanced Bolt Carrier Group for the New Hornady 6mm ARC is designed for shooters who demand superior performance weapon components in the heart of their firearm. CMC Triggers manufactures the highest quality firearms...