Would have a choice between the Career 707, career infinity, Sumatra 2500R. If you include the carbine versions as seperate rifles, that's 5 choices. All are able to get into the 60 foot pound area if you use the specialty heavy weight pellets. Dialed up to max, they tend to over drive even the .25 Kodiak.
Could spend a few bucks more (think about $630-$650) for a BSA Lonestar in .25. Nice rifle in a rather plain stock (but for a hunter, that can be a plus). Both Air guns of Arizona and Cobra Air carry that model of BSA.
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Not a .25, but if you want to save quie a few bucks on a long range PCP, noticed that Pyramind has the Sumatra 2500R in 5mm at $399. Really do need the Eun Jin pellets when dialed anywhere past the 1/2 way mark, but I've been using one of those for while...and I can attest to the effect of a 24gr. 5mm pellet starting off at 1040fps.