A firing pin or striker is a part of the firing mechanism of a firearm that impacts the primer in the base of a cartridge and causes it to fire. In firearms terminology, a striker is a particular type
The hammer and fixed firing pin of a Smith & Wesson Model 13 revolver.
Fired rimfire and centerfire casings, showing the impression left by the firing pin. Note the rectangular impression left by the firing pin on the rimfire cartridge.
A Lefaucheux M1858 pinfire pistol. Note the pin protruding from the cartridge.
The bolt of a Mauser Gewehr 98 field stripped, showing the cock-on-open striker mechanism
In firearms and artillery, the primer is the chemical and/or device responsible for initiating the propellant combustion that will propel the projectiles out of the gun barrel.
Firing pin
…A firing pin or striker is a part of the firing mechanism of a firearm that impacts the primer in the base of a cartridge and causes it to fire. In firearms terminology, a striker is a particular type of firing pin where a compressed spring acts…