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 5910-01-060-4857
NSN 5985-00-285-8466
NSN 6135-01-231-4809
NSN 5920-00-168-1402
NSN 5945-01-608-3949
NSN 5835-00-498-8189
NSN 5999-00-795-3824
NSN 6150-01-535-2017
NSN 6110-01-062-0252
NSN 6130-01-508-4150
NSN 5945-01-185-4781
NSN 2925-00-786-6227