Author: db_tanker
Subject: sub sonic loads for 303
Posted: January 02 2016 at 6:08pm
necro post :) lol
I was going to suggest a good dose of Trailboss combined with a 140-150 grain cast gc'd bullet. I remember reading that 16.5 gr is the MAX and you should start around 70% of that (12 gr). Biggest thing is to not compress the Trail Boss and you should be good.
Subject: sub sonic loads for 303
Posted: January 02 2016 at 6:08pm
necro post :) lol
I was going to suggest a good dose of Trailboss combined with a 140-150 grain cast gc'd bullet. I remember reading that 16.5 gr is the MAX and you should start around 70% of that (12 gr). Biggest thing is to not compress the Trail Boss and you should be good.