Thread: Low-density Powder for .38/.357
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Old 04-06-2018, 10:29 AM
oddshooter oddshooter is offline
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Trail Boss 4.9g gives me 910fps in a .5" group at 25 yards with 6" 357 mag. benchrested.

You can not add any more than 4.9g into the case without compressing.
Trail Boss is never to be compressed !!!
Last edited by oddshooter; 04-06-2018 at 10:31 AM.
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