Skip the .22 and use an adaptor cartridge to fire 7.62 Tokarev. Cold loads are fine for very little game, about the same power as a .32 ACP, while higher powered loads will probably thump up the the size of very small antelope or coyote.
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-IronRaven

When a man dare not speak without malice for fear of giving insult, that is when truth starts to die. Truth is the truest freedom.