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Old July 22, 2011, 09:01 PM   #2
Senior Member
Join Date: November 4, 2008
Location: Buffalo WY
Posts: 1,056
Use published reloading data only.

This a great link for loads.

Trail Boss has been popular in 45-70 check the link for cast bullets and the Lyman book has good cast bullet info.
Also look at the Trapdoor data for cast bullets, probably pushing them faster than 1200-1300 fps might give you some leading depending how hard or soft they are.

Last edited by longranger; July 22, 2011 at 09:11 PM.
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