Colt 5.56 Bolt Carrier Group

Daniel Defense 5.56 NATO (5.56x45mm & .223 Remington) / 300 Blackout (7.6x35mm) full-auto compatible, M16 Profile, complete bolt carrier group assembly.Features :Machined from 8620 steelHeavy...

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...

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...

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...

AR15 Complete Bolt Carrier Group. Assembled and ready to go. Perfect for your next custom build or as a backup BCG.Features :Chrome Lined Carrier InteriorChrome Lined Gas KeyStaked Gas Key Screws

Sons Of Liberty Gun Works Bolt Carrier Group, Scalper, 223 Remington/556nato, Manganese Phosphate Finish, Black Solgwbcg556-scalperModel: Bolt Carrier GroupProduct Type: Bolt Carrier...

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...

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 Lightweight BCG with Nickel Boron Coating.Features :Nickel Boron Coating...

The 2A Armament Lightweight Bolt Carrier (LBC) is a lightweight carrier solution for those looking to reduce both felt recoil, and over all weight of the AR-15 pattern rifle. The LBC combines a very...