I would imagine it would be safe to work up higher than 13 grains of 2400, but I don't have any need to, so I haven't. I think 1200 fps should be doable in a 4" barrel. I got a 1200 fps average with 13 grains of 2400 in a .38 Special case with a 173 grain LSWC (note that this load is way over max and should only be used in magnum revolvers or perhaps a .38-44), but that was starting to show pressure signs, so the same charge with a 200 grain bullet would be too much.
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Last edited by Landric; 10-03-2009 at 10:11 PM.
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