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Old April 7, 2013, 09:57 PM   #2
Jimro
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Join Date: October 18, 2006
Posts: 6,759
This is for a 55 gr Sierra HPBT

Federal brass 2.24 COL 24" BBL Fed 205M 1200-R 22.9 3,228

Based on the sparse data I would work up to the 22.9 gr max charge very cautiously.

Jimro
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