Thread: Low-density Powder for .38/.357
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Old 06-19-2018, 03:29 PM
sniper sniper is offline
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Quote:
Originally Posted by oddshooter View Post
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 !!!

Your load seem a bit warm for Trail Boss.The Hodgdon website says 4.2 gr of TB is a max. load for 357 Magnum.
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