Does anyone have pet loads to share for their Mk V's? I have an older Japanese model with the Pendleton brake. Had it out to the range on Monday and ran some handloads over the chronograph.
500gr Hornady RN
115grs IMR4350
2550fps
From my experience shooting both the .375 and .416, the Rigby is not quite double. Mine is a CZ550 and with the 400gr at 2350, it is around 58ft/lbs. I owned a Ruger #1 some years ago that felt much worse.
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