інерційний ударник
firing pin retaining pin
firing point / firing pin
arming pin; safety pin
track pin retaining pin
belt-feed pawl pin / belt feed pawl 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
moment of inertia about flapping hinge
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