Bolt Carrier Group

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...

The NiB-X .308 Bolt Carrier Group provides long life and easy cleaning in the harshest of environments. DPMS compatible.Features :Easy Cleaning and MaintenanceHeat TreatedReduced Fouling Adherence

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...

High quality components and precise manufacturing make LuthAR 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...

LBE .308 Bolt Carrier Group (DPMS Style). Billet carrier machined from 8620 Steel and Case Hardened.Features :Mil-Spec Phosphate CoatingProperly Staked Gas KeyBolt- 158 Carpenter SteelChrome Lined Gas Key and Firing Pin Channel

Complete Mk3 bolt carrier group.Features :8620 Steel CarrierPhosphate Finish9310 Steel Bolt

Black Rain Ordnance, Inc. is a precision firearms manufacturer specializing in modern sporting rifle designs and high quality accessories.Features :For Left Side Ejecting UppersNickel Boron Coated223/556Bolt and Carrier Group

Aero Precisions .308 / 7.62 Bolt Carrier Group is the perfect firing mechanism for your big-bore rifle build. This high quality BCG features a Black Nitride finish, is MPI/HPT and now includes a laser engraved Aero Precision A logoFeatures :Black Nitride...

Sons of Liberty 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 happens...

This AR10 Black Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most Spec AR10 upper receivers. All critical parts are coated with EXO Nickel Boron Technology that provides permanent dry lubricity, extreme durability and increases...

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR10 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both...