Used 7.62 X 39 FMJ out of an AK for rabbits and hares many years ago before they were naughty MSSA rifles. We were quite surprised how shit ammo was at clean kills. Sights designed for shooting at people didn't help as wasn't precision shooting. They were normally running, but 30 shot Banana Mag did as you needed to turn them into a furball sometimes.
A carefully placed .22 win powerpoint out of scoped JW-15 seemed better or 870 12G but not half as much fun.
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