інерційний ударник
firing pin retaining pin
firing point / firing pin
inertia blowback action
inertia pellet stem
combination inertia starter
electric inertia starter
hand inertia starter
three-dimensional virtual mass moment of inertia
two-dimensional virtual mass moment of inertia
virtual mass inertia
virtual mass moment of inertia
longitudinal axis of inertia
arming pin; safety pin
track pin retaining pin
belt-feed pawl pin / belt feed pawl pin
firing pin
impression of 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-pin mechanism
firing position / firing attitude
firing limit / firing cycles limit