firing hammer

firing hammer

[′fīr·iŋ ‚ham·ər]
(ordnance)
A metallic pivoted item, part of the firing mechanism of a firearm, designed to strike a firing pin or percussion cap and fire a gun.
References in periodicals archive ?
The only thing the bolt on the DISC rifle does is cock the firing hammer and open the breech to allow the disc to be inserted.
And they're beautiful pieces of engineering scooting around, firing hammers with their googly eyes.
As for the trip rods, during cocking (opening) the action, a cam lug on the bottom of the firing hammers moves the trip rods forward, placing their front sections under the ejector hammer sears.
Hayden Mullins fired over when well placed and only a fine lunging tackle from Curtis Davies denied Harewood and the firing Hammers.