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Unread 09-08-2017, 07:29 PM   #2
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It would be really beneficial to see the difference in that 27 grain load using lead. Use of Federal hull would most likely drop pressure by a few hundred psi. I would expect velocity to be around 1200 fps with 24 grains and pressure to be 9500 psi + or -. I am thinking a switch to Unique would give better pressures in this load. There is a tested load using the Remington hull, 24 grains Unique and the SP10 wad with 1 3/8 ounce of bismuth, it produced a velocity of 1188 and pressure of 8800 psi.
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