ударний механізм
firing pin retaining pin
firing point / firing pin
arming pin; safety pin
track pin retaining pin
belt-feed pawl pin / belt feed pawl pin
firing mechanism
percussion-type firing mechanism
firing mechanism housing
foot-firing mechanism
firing pin
impression of firing pin
inertia firing pin
knob of firing pin
firing pin piece of a rifle
firing pin safety
firing pin spring
firing-lever axis pin
firing-pin guide
firing-pin impression
firing-pin rear
firing-pin stop
fixed firing pin
lug of firing pin
firing-pin lock
firing position / firing attitude
firing limit / firing cycles limit
arming mechanism
breech mechanism
clock delay mechanism
defense mechanism
delay arming mechanism
elevating mechanism / system