The lock is for the breech of a rifle, having a slide moving to and fro in the breech housing and acting on the firing-pin spring via a protrusion extending through a lengthwise slot in the housing. A lock on the slide engages with a mating one in the housing at the slot. The lock...
Of the 220 test rounds fired, we logged 6 light primer strikes on the Federal M193 and 1 on the Winchester M855. All of these cartridges fired on the second attempt. Firing pin protrusion was adequate, .053″. My guess is these light hits were related to the str...
open bolt rifle chambered for the 9mm Luger cartridge. In the Mk I rifles, the bolt had a floating firing pin and hammer built into it, with the hammer activated by camming against a protrusion in the front of the receiver. This ensured that the ...
allow the force of the spring member123to position the second protrusion122in the second channel171. The act of pulling and rotating the selector member115from the “LOCKED” position is configured to be a difficult task for children to accomplish thereby preventing them from firing the firearm....
The lock is for the breech of a rifle, having a slide moving to and fro in the breech housing and acting on the firing-pin spring via a protrusion extending through a lengthwise slot in the housing. A lock on the slide engages with a mating one in the housing at the slot. The lock...