Can't answer the Bismuth or XTI question. I usually push my 3/4oz 12ga loads up near 1300fps. Still no recoil and clean powder burns. I also use the large bottles for shot and powder and only let them get 1/2 way empty. The powder would be more important. That way there's always plenty of powder pushing down for consistent loads. Just a thought. In the past when I didn't have the bottle support for large bottles, I taped them together with a 1x2 spacer. Maybe just use a large one for powder. That way there isn't a lot of weight sticking up so high. I load 2 1/2 like 2 3/4 but use fiber wads or a shorter plastic wad. A Claybuster 1100 wad meant for 1 1/8oz has a shorter cushion height than a 0178 meant for 7/8oz. Just try loading 7/8oz in the 1100 with powder data for 7/8oz - bet it will fit. The ends of the wad may bend over.
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Paul Harm
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