.357saddler wrote:Parallel cases aren't.
Read an in depth article on this some years ago...
Without a very degree of taper they'd not extract.
Got any SAAMI cartridge drawings to counter this?
http://www.saami.org/pubresources/cc_dr ... Magnum.pdf
45/70
http://www.saami.org/pubresources/cc_dr ... rnment.pdf
The 45/70 shows a taper of about 23 thou, the .357 none. I'm sure there's a few that really are straight, maybe the .32 S&W long etc.