firing pin

The mechanism combines the firing pin, a spring, and an extractor, all housed in a locking breechblock. The spring-loaded firing pin slides back and forth inside the bolt, which itself is the breechblock. The bolt is moved back and forth, and partially rotated, in the receiver by a projecting…

…designed a series of “needle-firing guns,” rifles in which a needlelike pin pierced a percussion cap in the centre of a paper cartridge to strike the detonating material (usually mercury fulminate) that fired the bullet. A muzzle-loading model of 1827 was followed in 1836 by a bolt-action breechloader, which…

It had a long, sharp firing pin designed to pierce the charge of propelling powder and strike the detonating material (usually mercury fulminate) located at the base of the bullet. The Dreyse rifle, invented between 1827 and 1829, was adopted by the Russian Army in 1848. It was replaced by…