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Old July 26, 2021, 09:55 AM   #10
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Join Date: March 13, 2005
Location: Pennsylvania
Posts: 1,350
FITSC, yes, I specifically weighed the Red Dot charges and the shot weight of the test loads. After I established the functionality at 40 yards, I calibrated the MEC (using a Universal charge bar) to deliver 17.0 gr. for 1-1/8oz of #8 shot.

16.5gr delivers 1145 fps; 17.5gr delivers 1200 fps, so I figured 17.0 is a nice safe zone, allowing for any upward bumps due to slamming the bar and powder settlement.
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