[id10t]

Originally Posted by dtxscott

The .45 Win Mag already exists. It was most notably picked up in the LAR Grizzly.

https://en.wikipedia.org/wiki/LAR_Grizzly_Win_Mag

Mucho Kicko with the Griz!

Yup, 308/30-06 case cut down to size... like the 44 automag, 475 Wildey, etc.

Biggest problem for traditional style pistols is overall length of the round because the mag fits in the grip.