Faxon Firearms 5.56 NATO M16 Bolt Carrier Group

The Faxon Firearms® 5.56 NATO M16 Bolt Carrier Group (BCG) features a full auto rated design and is designed for smooth, consistent cycling for reliable and accurate performance. This BCG is magnetic particle inspected (MPI) and the back of lugs are chamfered for reliability. The bolt is 9310 steel, heat treated to Mil-Spec, and shot peened. Forward assist serrations allow for intuitive use with the forward bolt assist to ensure the bolt is closed. This BCG features an S7 extractor along with a Superfinished carrier body for reliable function. Features spring, insert, and crane O-ring installed.