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Old October 10, 2012, 07:45 PM   #12
kraigwy
Senior Member
 
Join Date: June 16, 2008
Location: Wyoming
Posts: 9,204
Quote:
not happening. 500 ft lbs, yes, 600, no.
Why?

It's not that difficult to get 600 ft lbs out of a 4 inch M-28. As I said I use 150 grns @1328 FPS. That's not a hot load but its 588 ft lbs. If I was to use 158s at the same velocity (doable) it would be 619 ft lbs.
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