Toolcraft M16 Profile Bolt Carrier Group DLC 223/5.56/300 BLK

The Palmetto State Armory DLC coated Bolt Carrier Group was designed with the serious AR enthusiast in mind. The bolt is made of Mil-spec Carpenter 158 steel, shot peened and high pressure tested. Gas key is machined out of bar stock, DLC coated, then secured with grade 8 fasteners and staked per mil-spec. Bolt carrier is coated with DLC (Diamond Like Coated). Made in America with an unconditional lifetime warranty. Features: Milspec Carpenter No. 158 steel bolt Shot Peened Bolt High pressure tested Gas Key Hardened to USGI Specifications Gas Key Grade 8 Hardened Fasteners Gas Key Staked Per Mil-Spec Tool Steel Extractor Extractor Spring Extractor O-ring Insert