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Old May 3, 2005, 11:38 PM   #15
larryf1952
Senior Member
 
Join Date: July 17, 2004
Location: KCMO
Posts: 615
All of you guys have posted valuable and accurate info about the suitability of Blue Dot for use in the .38 Spl. Blue Dot was one of the first powders that I bought when I got into reloading for the 9mm and the .357. I quickly found that it worked great in the .357, but filled the 9mm cases to overflowing. I loaded 100 rounds of it in .38 Spl. to shoot out of my .357's, and it was quickly obvious that it wouldn't work so well in that caliber. It's just too slow for the .38 Spl.

After trying several other powders along the way, I've pretty much settled on 231 and Bullseye for the .38. HP-38 should also work well. With the .38's low pressures, it needs a fast powder to reach the pressure peak and ignite all of the powder in the case. As stated, because of the small charges and the .38's case size, great care must be taken to prevent overcharging. I've not experienced any problems directly attirbutable to powder positioning, so I can't comment on that.
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