Unclenick, Old Roper posted this link in another thread that shows how the case and primer change shape and position when the round's fired:
I'd seen it before but totally forgot about it until he referenced it.
US Navy Distinguished Marksman Badge 153
Former US Navy & Palma Rifle Team Member
NRA High Power Master & Long Range High Master
NRA Smallbore Prone Master
Last edited by Bart B.; December 29, 2012 at 01:15 PM.