Crafted for precision and durability the Angstadt Arms AR15 5.56 Bolt Carrier Group is a top-tier choice for firearm enthusiasts seeking reliability. Constructed from robust 8620 steel this bolt carrier group is engineered to milspec dimensions ensuring seamless compatibility with your AR15 build. The QPQ black nitride finish not only enhances its appearance but also provides superior resistance to wear and corrosion. Trusted by law enforcement and military professionals worldwide this BCG delivers exceptional performance under demanding conditions making it a worthy addition to your firearm collection.