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Old August 14, 2012, 10:24 AM   #2
black mamba
Senior Member
Join Date: September 13, 2011
Location: O'Fallon, MO
Posts: 714
HP-38 (same as W231) is my powder for low to mid range loads. 10 to 10.5 grains should give you 1100 fps under a 200 gr bullet in a 4" barrel. I have found it to be clean shooting and accurate, but both improve as the loads warm up, i.e. 10 grains shoots cleaner and better than 9 grains. 12 grains is max for the 200 grain bullet.
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