It would definetly be capable of a 50 yard elk shot. Maybe a little more with real 45 colt loads. (No such thing as a 45
long colt BTW... Just a45 Colt.)
Look to Buffalo Bore for some real stoutly loaded factory ammo.
Heavy .45 Colt +P - 325 gr. L.B.T.-L.F.N.(1,325fps/M.E.1,267 ft.lbs.) - 20 Round Box