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Old July 23, 2017, 02:33 PM   #28
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Join Date: January 17, 2015
Posts: 355
I messed with it in my Weaatherby .270. A lot of trouble but above 4400fps with 90 grain Speer which vaporized and the cases normal or redone only, three times to four times with annealing.
Military artillery rounds, some of them use or used this. Holes on the sides of tube also changed burning powder characteristics. Real slow powders , I think, necessary over .50 BMG could possible leave unburned powder from such massive charges, which that might solve, was my thought. I paid over 280.00 I think for 8lbs of powder for 223 CF I think. I can't imagine you cost for powder with near 300 grains loadings.
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