Personally haven't done it myself, but I've read quite a few opinions both in favor and in opposition to the shot. It wouldn't be fair to judge it without having tried it. Of course, I think I'd much prefer the larger target and margin of error provided by the heart and lungs.
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Formerly TN Lone Wolf

"We are only as strong as we are united, as weak as we are divided." - J.K. Rowling