Bolt Carrier Groups

The Aero Precision PRO 5.56 Bolt Carrier Group is built from the ground up to meet the demands of the most extreme conditions. Each component and manufacturing process of the PRO 5.56 Bolt Carrier Group was deliberately chosen to increase the reliable...

Odin Works, Bolt Carrier Group, 6.5 Grendel, Black Nitride Type 2 6.5 Grendel bolt face Material: Case Hardened 8620 Steel Bolt Material: Case Hardened 9310 Steel Finish: All Bolt components - Shot Peened and Manganese Phosphate or Black...

The Advanced Direct Impingement Bolt Carrier Group offers superior performance, increased reliability, and longer part replacement life cycles than the MIL-STD components. These gains are achieved through LWRCI's design technology paired with...

Bauer Precision 5.56 Firing Pin Standard Firing Pin for all AR15 platform bolt Carriers.  

Bauer Precision 5.56 Firing Pin Retainer  Standard Firing Pin Cotter Key that holds the firing pin in the BCG

Bauer Precision Nitride Cam Pin for a standard 5.56 Bolt and Carrier. 

Bauer Precision 6.5 Grendel MPI Nitride Bolt Assembly  INCLUDES: Bolt Gas Rings Extractor & Spring  

Bauer Precision 5.56 MPI Nitride Bolt Assembly  INCLUDES: Bolt Gas Rings Extractor & Spring  

This is a Semi-Auto/Full Auto M16 Complete bolt carrier group made with MILSPEC quality steel. It is heat-treated, hard-chromed and chrome-lined in the bolt throat. Sharp edges and rough finishes are eliminated. The HMB Bolt by HM Defense eliminates the...

Rise Armament, Bolt Carrier Group, .223/5.56, Nickel Boron Finish Precise Manufacturing Long Term Reliability Durable Construction High quality components and precise manufacturing make Rise Armament parts ideal for maintaining and upgrading...

FailZero, Bolt Carrier Group, 6.8SPC, Nickel Boron Coated, No Hammer Nickel Boron treated Extreme durability Dry lubricity Corrosion resistant This 6.8 SPC Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most Mil-Spec...

M16 Chrome Complete Bolt Carrier Group with Standard Bolt, Hard Chromed after Heat Treatment CNC Machined Hard chromed after heat treatment Sharp edges and rough finishes eliminated This is a Semi-Auto/Full Auto M16 Complete bolt carrier group...