38 special 125gr with wst

leveractiontodd

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I am a cas and have my non adjustable sight set up for 125gr bullets. I would like to switch to wst powder in a 38s special case but cannot find any data . 750fps is my target.
 
hodgdon lists 3.5gr starting load (825fps) using WST in 38 spl for a 140gr bullet. based on that i would start at 2.8gr - 3.0gr as a starting load for your bullet weight. adjust accordingly to hit your 750FPS goal.
 
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