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Old March 26, 2012, 03:28 PM   #17
HiBC
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Join Date: November 13, 2006
Posts: 8,272
I do not claim to be an expert.For BPCR,I made a brass depth gage for my powder level in the case,so I can set up for about 1/16 in compression.

I have an old Ned Roberts book(reprint,not original) "The Single Shot Cartridge Rifle" or close to that.I found a very interesting tidbit that I have not tried yet.He includes the recipes some of these old timers used loading cartridges.

Intuitively,I might think that if I were to put in a small amount of priming powder over the primer(I do not) I might use a fine granulation.

These guys would put 5 or 10 grains of fg.Coarse powder,over the primer.I can see some advantages.Less likely to foul the flash hole,more porous,to allow the primer flame to filter through and disperse,and a touch softer start,so perhaps less likely to slump the ogive on softer alloy bullets.

It may be something to work with.
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