Faxon Firearms Black Nitride 5.56/300 BLK M16 Bolt Carrier Group

Faxon Firearms Black Nitride 5.56/300 BLK M16 Bolt Carrier Group | BCGFaxon Bolt Carrier Groups are Mil-Spec with a "Superfinish" to increase the overall smoothness of operation, help reduce friction, and dramatically reduce fouling. They are rated for full-Auto and also maintain the "trip" for full-auto fire control groups, as well as new multi-stage trigger systems.Gas keys use grade 8 fasteners and are fully staked for a lifetime of service.Features 9310 Tool Steel Bolt Full MIL-SPEC Heat Treatment Shot Peened to MIL-SPEC Magnetic Particle Inspection (MPI) Back of Lugs Chamfered for Reliability Spring, Insert, & "Crane" O-Ring Installed Salt Bath Nitride Bolt & Carrier S7 Extractor Superfinished Carrier Body Full Auto Compatible Forward Assist Serrations