Auswurfport
Auswurfport is a term used in firearms design to refer to the opening in the receiver, slide, or bolt through which spent cartridge cases are expelled after firing. It is a critical part of the autofeeding cycle, working in concert with the extractor and ejector to remove a spent casing and make room for the next round.
After a round is fired, the extractor pulls the spent case from the chamber. The bolt or
Auswurfports are typically located on the side of the receiver or slide and most commonly eject cases
Related components and maintenance
The port works together with the ejector and extractor, and is affected by wear, fouling, and ammunition
The port’s location and orientation influence shooting comfort for left- or right-handed users and can affect