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.
In the breech mechanism of a firearm, the pin which strikes the head of the cartridge and explodes it.
© Webster 1913
Log in or register to write something here or to contact authors.
Need help? email@example.com