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If you're going to push a 38 wadcutter bullet faster than the typical 7-800 fps target load, make sure the bullet is NOT a hollow base wadcutter. The soft swaged commercial wadcutters with a hollow base, like the ones Hornady and Speer sell, have soft lead, and a skirt on the base, like a Civil War era Minie ball. The skirt is meant to expand and seal the bore at low velocity- which it does very well in the 7-800 fps range.
At higher velocities, the skirt sometimes gets blown off the bullet, and sometimes gets left in the bore.
I expect Lyman's recommended loads are for a solid base wadcutter from one of their molds.
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Last edited by Jack; 08-24-2011 at 07:19 AM.
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