Quote:
Originally Posted by Pete Lester
MEC powder bushings USUALLY drop light, more so on progressive presses because there is less movement up and down before a powder charge is thrown. MEC bars USUALLY drop lighter than advertised shot weights. Some of this is due to magnum vs chilled lead but it's mostly due to shot size (they are volume measures). Lighter loads 1 1/8 ounce bars and less are made for small target size shot, 1 1/4 ounce and up bars for larger size shot. So the 1 1/8 will throw lighter loads of #4 and and 1 1/4 ounce bar might throw a heavier load of #8.
We are loading for shotguns, close is good enough, you will not go wrong following the MEC guidelines, there will be no noticable difference in performance.
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I have a PW and pretty much the same applies, especially for the shot.
One of the things I have been doing is taking a bushing one size larger and then lining the inside with small strips of this copper flashing tape you can get at any good roofing supply house. just a small strip about 1/8" at a time is enough to get a to your desired powder drop. As a disclaimer, I do not know how well this will work on a MEC, so your MMV.
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