RE: Help Me Please!
In my opinion and experience, a .177 caliber pellet needs to do at least 900 FPS to start being effective. I've seen rabbits and such killed with slower guns (700-800 FPS), but you have to get close. GAMO makes some decent air rifles that are rated at 1000 FPS in .177, and they are not TOO expensive.
A .22 has a higher trajectory than a .177, but has more energy. A .177 penetrates better, has a flatter trajectory, but is affected by wind more.
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