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Old May 24, 2012, 01:47 PM   #4
Senior Member
Join Date: December 24, 2010
Location: Central Louisiana
Posts: 3,137
That sounds about right. Both of my Winchester barrels are both 0.308 and very uniform. They're also a 1:12 twist which means I can push the bullets a little faster than the 1:10 Marlin barrels.

I size mine to 0.309 and run them at about 1850 fos. It's a good load that's inexpensive to make and very effective for my purposes.
Dennis Dezendorf
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