I have used 32gr, 35gr, and 40gr (all berger hp) on ground hogs this year (24 kills). The 32's and 35's created lots of expansion, large holes. The 40's one small caliber size hole to dime size. How well this information translates to performance on a fox, I have no idea. I have not yet shot a fox with this gun. Fox are delicate animals when compared to groundhogs. I do worry about expansion on fox even with the 40gr bullets.
Absolutely sweet shooting rifle!!!
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