Bolt Carrier Group

These 5.56 / 300 BLK Bolt Carrier Groups are Phosphate Coated with Chrome Lined Gas Key & Bolt Channel, Full-Auto rated, properly staked, and the bolts are Matched to the barrel. Their Rosco Phosphate Bolt Carrier Groups are designed to meet the...

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...

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 Inside and Out (Bolt, Carrier, and Gas Key)Laser...

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

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 best just got better! From the inventors of the very first fully modular, patented, ambidextrous safety selector for the AR-15 platform, Battle Arms Development is raising the bar on reliability and compatibility of hard-use MSR components.Features...

The Faxon 5.56 M16 Bolt Carrier Group, Nitride is a high-performance and reliable upgrade for your AR-15 rifle. This bolt carrier group is designed for optimal performance and is made from top-quality materials, ensuring durability and longevity. The...

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...

Odin Works Bolt Carrier Group, Bolt Carrier Group, Stainless Steel Finish Acc-9mm-enhanced-bcg-ssModel: Bolt Carrier GroupProduct Type: Bolt Carrier GroupFinish/Color: Stainless

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 Midwest Industries 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...

The heart of a reliable AR-15 build is a quality 5.56 bolt carrier group assembly. These are the same high quality BCGs Angstadt makes for law enforcement and military groups around the world. Machined to mil-spec dimensions and finished in a beautiful...