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Barometric Pressure

Posted by Brian on Monday, 15 February 2016, at 12:19 p.m.

Question: When molding bullets, dose the barometric pressure effect the molding process and the out come of the bullets. I've been told that molding bullets when pressure is below 30 in. is almost futile to get them (the bullets) within an expectable range say 519.5-520.5 grains. ..Any thoughts?


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