The Original Lumpy Gritz Posted November 7, 2015 Share Posted November 7, 2015 If so, and just wondering,that in older reloading books where both W231 & HP38 are used for same bullet, same reloading book, same caliber, there was a difference in velocity & pressure? Any thoughts? If course, in newer books, the velocity & pressure for both w231 & HP38 are listed the same. Thoughts-Sure, different guns. You'll see the same deal for WW296 and H-110....... Also there will be some variance from lot to lot in powder. OLG Link to comment Share on other sites More sharing options...
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