I have killed deer with a .44 magnum revolver and it worked very well.
A .240 grain Hornady XTP at 1250 fps shot completely through the chest. If I hunt deer with a revolver now, it’s my 5 1/2” Bisley Blackhawk.45 Colt loaded with a 280 grain Keith SWC at 1100 fps.

Ron

People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf.
Orwell