- a plunger in the firing mechanism of a firearm or cannon that strikes the cartridge primer, igniting the propelling charge.
Origin of firing pin
Examples from the Web for firing pin
Historical Examples of firing pin
His gun must have been tampered with, the firing-pin filed off perhaps.
He took it from her and pointed out where it had been dented by the firing-pin.Hidden Gold
Such as are used in fixed ammunition and go off by the snap of the firing-pin.The Gunner's Examiner
Harold E. Cloke
At the nose of the torpedo is a firing-pin, with which the war-head is exploded.
But the firing-pin is not the only means of exploding the torpedo.
- the part of the firing mechanism of a firearm that ignites the charge by striking the primer