Hello,
Does anyone have any information on load data for a 125gr cast bullet for a 300 Blackout, barrel is 16 inch 1-7 twist. These will be powder coated with a gas check applied. I have searched and to no avail, my Lyman cast book doesn't have any information. Any info would be greatly appreciated.
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Get the on-line load data from Sierra Bullets. Google "Sierra 300 BO load data". Start with the j-word starting load for your bullet weight and work up. Be safe.
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