Appreciate the input. I figured shot placement as always is critical but am not as familiar with the fpe spread across pellet/slug airgun ammo. Sounds like either will definitely do the trick so I probably won't be as picky about it. More selection in .22 may make that more favorable though.The .22 is perfectly fine for ground hogs at 50 yds. With modern pcp rifles you can get the same fpe from a .22 as you can a .25 with same weight pellets. Pellets do not expand or cause hydrostatic shock at sub sonic speeds so theres no benefit from the .25 other than a very small increase in diameter. At 50 yds and under its easy taking headshots and a .22 with an 18 gr. JSB will drop them on the spot.
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