NOT KNOWN FACTS ABOUT SHOTGUNS FOR BIRD HUNTING

In blowback-type semi-automatics, the recoil force is utilized to press the slide back and eject the shell (if any) so the magazine spring can press A further round up; then since the slide returns, it chambers the round. An example of a modern blowback action semi-automatic pistol is the Walther PPK. Blowback pistols are a number of the much more