Few, if any questions are stupid (Think Forrest Gump_ Joseph-- I was more interested in the theory, and as metallurgy, along with fine art and classical music is something that intrigues me,I wondered if there was more to the machining of the chamber and receiver (longer ejection port-that is a "given"-- but I see I am no longer considered "cool" in your semi-esteemed viewpoint- alas and alack-- c'est la vie mon ami-- Foxie

"The field is the touchstone of the man"..