From Hodgdon load data:
145 GR. CAST HP-38 2.2 595 2.5 630
They do not list Trail Boss for this cartridge.
Considering how bulky TB is, I doubt that you could safely get enough in there (without compressing it - big no-no) to get any useful velocity.
When I had one, Bullseye worked fine.
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-jwk-
US Army '72-'95
Last edited by TAROMAN; 12-12-2013 at 03:08 PM.
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