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Old January 13, 2013, 08:46 PM   #13
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Join Date: July 24, 2005
Location: Kentucky
Posts: 540
Two things, plated bullets should use lead load data. I've shot a lot of plated bullets in the .40 and I'm not saying you can't use jacketed data for plated bullets, but it's best to back it off a hair if you do. Bullseye is a fast burning powder, so I'm guessing somewhere around 5.5gr instead of 6.0gr.

Second, don't crimp plated bullets hard. Give them a very light crimp, enough to get the bell out of the case and just a slight grip on it. I say this because the plating is very thin, and crimping them hard (I've done it) will lead to bad accuracy, even keyholing.
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