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Discussion Starter · #1 ·
Finally gave the 300MP loads the acid test for speed. Not bad, slower than expected out of the hand gun but satisfying out of the lever gun.
20.g gr gave 1376 fps w 125 gr Montana Gold HP fired from a Taurus 66 6"" barrel and the rifle (20" Rossi '92) was right at 2000 fps.
The 158 gr Winchester PMJHP was 1220 out of the revolver and 1670 out of the rifle.
Those are not a maximum loads.
But since there isn't a lot of info out there on 300MP I do not recommend these loads to anyone.
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