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 5930-01-481-4233
NSN 5990-01-449-7090
NSN 5996-01-248-9699
NSN 6110-01-261-1560
NSN 6610-00-051-4139
NSN 5930-01-389-7164
NSN 6240-01-621-2774
NSN 6220-01-004-8909
NSN 5930-01-048-3677
NSN 5835-00-779-2836
NSN 5985-00-551-1309
NSN 5895-00-599-4394