Powder bushings are selected by number from the bushing chart (see inside spread). CAUTION: Lead Shot Bars and Steel Shot Bars are NOT interchangeable. Contact the factory for information regarding steel shot conversion for the hydraulic presses. Both 302 and 502 charge bars have a soft insert to prevent the shearing of shot.
Apr 7, 2016 · Which bushing is the correct one for dropping 17 gr of 700-X; the one found on the MEC site that lists a #28 as dropping 16.9 gn of IMR 700-X or the MEC bushing chart from Hogdon that list a #29 as dropping 16.9 gn of 700-X?
Mar 18, 2013 · I was loading 19.0 gr of 700X with a #32 bushing. When I bought a new 8 pound jug I checked the weight and had to drop down to #30 to get 19.0 gr. Always check with your scale. The charts are worthless. Gary B.
The MEC charge bar determines the amount of shot that will be dropped and the MEC bushing determines the amount of powder. The ratio for powder is determined by the recipe you select
Dec 7, 2022 · Use the bushing that drops the correct weight verified on a scale. Looking at the current Hodgdon data your load is nothing near a 2 3/4 dram load. Using either Fiochi or Rio primers in an STS hull they do have a couple loads listed using 19 grains of 700X and they are hot loads with high pressures.
MEC Powder Bushing Chart Download PDF A PDF version of this tech resource is available for users who prefer to download or print it. Becoming Graf & Sons
Oct 14, 2023 · As for the particular powder discussed here, MEC NOW has data in their bushing chart for Perfect Pattern (6 months ago they did not have the chart updated). MEC chart numbers #17 bushing dropping 15.3 grains