Quote Originally Posted by SideShow Bob View Post
Well, I was witness to a realitive's KABOOM ! From him not resizing and trimming his 223 brass every time reloading. According to the manufacturer of the rifle when what was left was sent to them, the neck of the case was too long, jammed the bullet into the rifling. When the trigger was pulled, the Mini 14 disassembled itself into several parts where it wasn't supposed to come apart.
Something else was going on because, even with a mini-14, that failure mode is not possible just due to a long case.