I have been looking to come up with a light load to shoot in my 629 MG. After reading through past threads I loaded some 240 gr. RN cast bullets with 7, 7.5, and 8 grains of HP 38. I noticed some pretty good variations in velocity, and remembered something I saw in a thread and alternated shooting after tipping the muzzle down then muzzle up. The differences were around 80, 50, and 40 fps. They were fun to shoot but I'm wondering is there a powder that would be more consistent in small quantities in that big a case? Or is that even enough to worry about? My field testing is on hold for a few weeks due to shoulder surgery, so any help for this bored guy would be appreciated.

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"I am a creature with habits"