220 & 240 MKs in the 300 mags Velocitys?

Boyd Heaton

Well-Known Member
May 14, 2001
Lock Haven P.A.
Bob,I have ran a 220 in my RUM(26") to 3100fps.But that was A VERY HOT LOAD.The load I shoot out of it in warm weather give's me 3058 with no sign's of pressure.I would expect around 2900 to 2950 with the 240's.The only other 300 I've really worked with is the Weatherby.And we could get 2800+ with the 220 in a Rem 700 with a 24" barrel.I only saw one wsm in action and he was getting mid 3100's with a 165.Which pretty well matches the WIN MAG in velocity.But I'm not sure what it would do with that long a bullet.Might take up to much powder cap.

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