In the breech mechanism of a firearm, the pin which strikes the head of the cartridge and explodes it.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). firing pin. Retrieved September 23, 2026, from http://smartdefine.org/firing_pin/definitions/2008169 |
| Chicago | Webster's. 2011. "firing pin" http://smartdefine.org/firing_pin/definitions/2008169 (accessed September 23, 2026). |
| Harvard | Webster's 2011, firing pin, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/firing_pin/definitions/2008169>. |
| MLA | Webster's. "firing pin" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/firing_pin/definitions/2008169> |