An item fixed to the rear end of a bolt, breech of a rifle. It prevents the venting of propellant gases to the rear through the bolt body and retains the rifle's cocking piece, firing mechanism. It may contain a safety mechanism. For similiar items that are entirely tubular, see guide, firing pin.
NSN 5910-01-469-2463
NSN 5999-01-252-0295
NSN 5855-01-210-7636
NSN 6105-01-076-4670
NSN 5945-01-582-8644
NSN 6135-00-877-1659
NSN 5996-00-284-9711
NSN 6650-01-530-0314
NSN 5950-00-725-1154
NSN 6645-00-025-4771
NSN 5915-01-090-6419
NSN 5915-00-233-6346