I have been trying Green Dot in 2 1/2" 12 ga but my impression is "shoots dirty", going to shoot some new loads with international. I was told RST is loading International in Cheddite hulls with an ounce of lead at 1125 FPS and 6200 PSI. I cut one open and my best effort with a scale said about 16.5 gr. powder that LOOKED identical to International, NOT CONFIRMED. I have chronographed their rounds and they are dead on claims. I found a recipe on PGCA forum the gentleman said had been tested by a reputable lab. It involved 20 gr. of International and 1 OZ lead @ 1200 FPS and pressures well under 8K. Sounds reasonable, going to ease into it. I don't recall the wad.
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