What Does Shotgun Cases for Travel Mean?
In blowback-type semi-automatics, the recoil force is used to press the slide back again and eject the shell (if any) so the magazine spring can thrust another round up; then because the slide returns, it chambers the round. An example of a modern blowback action semi-automatic pistol may be the Walther PPK. Blowback pistols are many of the extra s