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. Source: Internet
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. Source: Internet
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. Source: Internet
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. Source: Internet
Rather, it measures the distance from the head of the cartridge to the middle of the shoulder of the bottleneck cartridge case. Source: Internet
The Kalashnikov operating system offers no primary extraction upon bolt rotation, but uses an extractor claw to eject the spent cartridge case. Source: Internet