(thing) by karfung Thu Feb 14 2002 at 7:40:20

The firing pin is the cylindrical piece of metal housed behind the breech of a firearm that transfers and focuses the force of the dropping hammer or striker to the primer of the chambered cartridge and in doing so detonates it and causes it to fire.

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(definition) by Webster 1913 Sat Dec 24 2005 at 7:54:52

Fir"ing pin`.

In the breech mechanism of a firearm, the pin which strikes the head of the cartridge and explodes it.

 

© Webster 1913

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