Uncle Ted, uses his 10mm alot for hunting. Deer and hogs for sure, haven't heard of it used for elk or bear. But with the right ammo, shot placement and at the right distance.... then again is'nt that where the answer lies

I'm a big fan of the 10mm.
Are you getting one?
In Coloradao for big game hunting with a hand gun.
Barrel must be min. 4 inches long
Must use a min. .24-caliber (6mm) diameter expanding bullet.
Must use a cartridge or load that produces min. energy of 550-ft. lbs. at 50 yards. as rated by manufacturer.