пружина ударника
firing pin retaining pin
firing point / firing pin
arming pin; safety pin
bolt handle spring retaining pin
cap retaining pin spring
ejector spring retaining pin
safety spring retaining pin
track pin retaining pin
belt-feed pawl pin / belt feed pawl pin
belt feed pawl spring / belt-feed pawl spring
retractor spring pin
belt feed lever pivot spring / belt-feed lever pivot spring
ejector pin spring
firing pin
impression of firing pin
inertia firing pin
knob of firing pin
firing pin piece of a rifle
firing pin safety
firing spring stop
firing-lever axis pin
firing-pin guide
firing-pin impression
firing-pin rear
firing-pin stop
fixed firing pin
lug of firing pin
firing spring
firing-pin lock
firing-pin mechanism
firing position / firing attitude
firing limit / firing cycles limit