Dogs are simply wired differently than a lot of other animals. A handgun is better than nothing at all, but there are a ton of stories in which it took multiple hits from a handgun to stop a dog and plenty of stories in which that was insufficient to put down a dog. Once again, a hit in the brain pan is the best bet, but that's a really small target and one that rapidly moves.
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VCDL, GOA, NRA
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