cartridge case
Synonyms
Examples
A slam fire is when a cartridge fires immediately upon being chambered, before a trigger squeeze, and is most often caused by a floating firing pin that becomes obstructed by debris, or by an improperly raised primer that is installed on a cartridge case.
His report said that he had performed a ballistics test of the firing pin and concluded that the cartridge case from the scene of the crime did not come from the rifle tied to Peltier.
A rimless cartridge case of 55mm length was approved, and each possible measurement (diameter at base, diameter at neck, angle of case, angle of shoulder etc.) was decided upon.
He said that a forensics test of the firing pin, which would have more definitively matched the gun to the cartridge case, was not performed because the gun was damaged in the fire.
Rather, it measures the distance from the head of the cartridge to the middle of the shoulder of the bottleneck cartridge case.
The Kalashnikov operating system offers no primary extraction upon bolt rotation, but uses an extractor claw to eject the spent cartridge case.