Product Description
5.56mm caliber; 9310 tool steel bolt construction; Full MIL-SPEC heat treatment; Shot Peened to MIL-SPEC; Magnetic Particle Inspection (MPI); Back of lugs chamfered for reliability; Spring, insert, and "Crane" O-ring installed; Salt Bath Nitrided; S7 tool steel extractor construction; Fully heat treated; Shot Peened Per MIL-SPEC






















