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Art Eatman · March 20, 2013, 07:17 PM

I've always heard and read 2,000, but I'm not about to argue.

The main thing is to avoid the slower-burn powders where the burning curve peaks later in the bore and the pressure is thus higher at the port.

March 20, 2013, 07:17 PM	#12
Art Eatman Staff in Memoriam Join Date: November 13, 1998 Location: Terlingua, TX; Thomasville, GA Posts: 24,798	I've always heard and read 2,000, but I'm not about to argue. The main thing is to avoid the slower-burn powders where the burning curve peaks later in the bore and the pressure is thus higher at the port.