Hi Grandpamac, you do know your stuff, indeed the SBK does have a boat tail and the Barrel a 1-14 twist. I did push the boat tail in the case when measuring the unseated length so the boat tail wasn’t taken into account when I took my measurement. I am quite keen to try some BM8208 if I can get hold of some (easier said than done at the moment), and I do have some 55gr V-max flat base projectiles, so that might be my next thing to try... Thanks very much for the advice, cheers
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