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Lark · August 27, 2013, 10:09 PM

I prefer magnum pistol powders for subsonic rifle cartridges. H110 works well for jacketed bullets but I'm finding some unburnt powder in the bolt when used with cast bullets. Start out with about 10 grains and work down. An 11 inch barrel and longer will work well.

You will need to use a chronograph or you will not get the right load.

August 27, 2013, 10:09 PM	#19
Lark Senior Member Join Date: November 28, 2012 Location: Western WA Posts: 144	I prefer magnum pistol powders for subsonic rifle cartridges. H110 works well for jacketed bullets but I'm finding some unburnt powder in the bolt when used with cast bullets. Start out with about 10 grains and work down. An 11 inch barrel and longer will work well. You will need to use a chronograph or you will not get the right load. __________________ Lark is free! Last edited by Lark; August 28, 2013 at 07:04 AM.