Some 7RM's like 140's better than 160's. I go with what the gun likes. My Len Brownell Chaplin and Haskins prefers 139/140 gr. bullets, shoots them sub MOA. It won't shoot 160's that well, unlike the 8 twist, 7RM Brux/MkV posted earlier. I haven't measured the twist on this one, probably slower than 8 if I was to guess.

With local WT's and such, 140 gr. is more than enough, don't need heavier bullets.

DF

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Last edited by Dirtfarmer; 02/06/17.