Colt's Manufacturing Mil-Spec Bolt Carrier Group 223Rem/556NATO - Black

Colt's Manufacturing Mil-Spec Bolt Carrier Group 223Rem/556NATO - Black This Colt Mil-Spec 5.56 Bolt Carrier Group is made to Mil-Spec for long lasting reliability and durability. Made from high quality steel with a durable matte black Parkerized finish, this 5.56 bolt carrier group is full auto rated and features a chrome lined gas key. Additionally, it is high pressure tested and magnetic particle inspected. If you are looking for a high quality BCG that will last thousands of rounds, you can't go wrong with Colt. Features: 5.56/.223/.300 BLK Mil-Spec assembly M16 profile Full auto rated High pressure tested Magnetic particle inspected Staked gas key with chrome lined internals Matte black Parkerized finish