I'm up in Canada so I should be able to get Hornady, Sierra, and Berger bullets in the 39 and 40gr flavors. The cost to import other heavier bullets is really not an option.
Of the three bullets I can get, my research suggests the Berger would be the best fur bullet followed by the Sierra a distant second.
I was thinking that if could not get to 4100fps with a 20BR I would consider going to the BRAI but that is as big as I would go as I thought the 20BR would already be beyond the practical limit of performance versus barrel life.
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