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Old December 7, 2012, 07:25 PM   #14
Old Grump
Member in memoriam
 
Join Date: April 9, 2009
Location: Blue River Wisconsin, in
Posts: 3,144
How about 1400 rounds of a 163 gr bullet in front of 46 gr of 4831 at just under 2000 fps running 5"- 8" groups at 100 yards. No gas check and no discernible leading. Anything over 1900 fps will cycle the action if the bullet is heavy enough. It was all I had and haven't done it since but I'm thinking about doing it with my .308 Garand using the 145 gr LRN bullets that I use with the 30-30 for my next experiment. It's supposed to be a winter project so I'd better get cracking and finish my bench.
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