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Old December 21, 2019, 01:23 PM   #14
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Join Date: November 18, 2005
Location: On the Santa Fe Trail
Posts: 7,277
Originally Posted by Bartholomew Roberts
More info on the civilian cartridge... 80,000 PSI!
Nearly 15K PSI over the .270 Win, but I still got to wonder about throat life?

The G1 BC on the 140 grain load lines up perfectly with the Sierra TGK bullet.
Sierra 140 grain .277 Tipped Game King
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