I have a new to me OM Blackhawk, 6.5” barrel that I will be loading for. What powders do you like for normal weight bullets, like 158 grain cast, and heavier cast like 170 grain Keith bullets ? If I use any jacketed bullets in this gun they will probably be Hornady XTPs. Thanks !
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Loading the .357 Magnum
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blue dot is a great middle ground powder,,, not top velocity or bottom,,, get more rounds per # of powder than 296, 2400, or h110,,, gives better bulk in the case than the real fast powders so double loads are not likely to happen , i have used it for hunting loads in my marlin 44 , also a 10mm pistol it also gets top velocity in the 45acp, and even works well in some 9mm loads,,,
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Originally posted by Texas Grown View PostDang Cuz! There's so many.I guess I’m really looking for powders that are readily available. My old standbys were Unique and 2400, both are hard to come by and I hate to develop a good load only to run out of that powder. Never thought I’d complain about too many choices !
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Powder Valley has both H110 and W in 296 in stock. Both those can be run with gas checks. I'd run a pretty firm crimp when seating over W296.Last edited by Texas Grown; 04-15-2025, 08:23 PM.
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