I gotta disagree with y'all who thinka .45 ACP isn't sufficient for a deer. Here's my rationale: it's sufficient for a 200lb. man, why wouldn't it be for a 200lb. deer? (and that's a decent-sizeddeer, even here in Ohio).

Range is a whole other issue. The first question, before you even think about shooting at the deer, is this: at what range can you consistently hit the boiler room? I was telling a war story once about hunting with a .357. 'The deer was at 30 yards.' My buddy said 'that's within handgun range.' My response was 'not for me, it ain't.'

To put the two criteria together, I suspect that the .45 will do the job at any range at which you can consistently put the slug where it needs to go.