Tweaking the burn rate so that 30.6gr gives 2281 from a 12.5" barrel & using the default case capacity shows/predicts the pressure being 53,680PSI
30.6 cfe223.jpg
Dropping the charge to 30.1 is predicted to give 2238fps and develop 50,820 PSI pressure
30.1 cfe223.jpg
30.6 cfe223.jpg
Dropping the charge to 30.1 is predicted to give 2238fps and develop 50,820 PSI pressure
30.1 cfe223.jpg
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