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454PB · June 5, 2012, 09:26 PM

I read somewhere that HP White laboratory did some pressure testing many years ago on .44 magnum ammo and found that gas checks do increase pressure. You should be building a load from below, so it shouldn't be a problem.

June 5, 2012, 09:26 PM	#3
454PB Senior Member Join Date: February 23, 2005 Location: Helena, Mt. Posts: 122	I read somewhere that HP White laboratory did some pressure testing many years ago on .44 magnum ammo and found that gas checks do increase pressure. You should be building a load from below, so it shouldn't be a problem.