вісь спускового важеля
firing-lever spindle actuating lever
firing pin retaining pin
firing point / firing pin
axis pin
belt feed lever pivot spring / belt-feed lever pivot spring
flap slat CTL lever / flap and slat control lever
clutch release lever pin
arming pin; safety pin
track pin retaining pin
belt-feed pawl pin / belt feed pawl pin
firing trigger lever
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-pin guide
firing-pin impression
firing-pin rear
firing-pin stop
fixed firing pin
lug of firing pin
firing-pin lock
firing-pin mechanism
firing position / firing attitude
firing limit / firing cycles limit
axis (мн. axes)
axis of advance
axis of the barrel
axis of the bore