Quote History Quoted: I would hesitate to call a 10mm a "very poor choice" for deer hunting.
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By comparison with rifle calibers I wouldn't hesitate at all.
The success stories of those who use such rounds for deer don't make the statement false.
As I said, by comparison, they are poor choices.
Within the range limitations they work for sure as your shot here demonstrates and if you keep the shots within the parameters I specified in my previous posts they will work every time, but for general use and especially by those with sort of moderate skills, a rifle is a FAR better choice.
ETA: By way of curiousity, did you recover the bullet?
Pistol rounds often penetrate deeply on lengthwise shots {which allow penetration of structures the whole way} but on side shots that same bullet may provide poor performance. As I said before, when you trace a bunch of wound channels this is demonstrated clearly.
I shot a bear with a .44 and recovered one bullet that travelled nearly lengthwise the animal, the others were side shots and showed poor opening. I've traced dozens of wound channels on mostly side shots and this is very obvious to the eye.