Grandpa Mac's explanation is the correct one.
The case wall thickness tapers from thin at the mouth to thick at the base.
When you fire it, most of the case expands, gripping the chamber wall. ...
Type: Posts; User: Bagheera
Grandpa Mac's explanation is the correct one.
The case wall thickness tapers from thin at the mouth to thick at the base.
When you fire it, most of the case expands, gripping the chamber wall. ...