I'm at a loss to explain it. A 12ga wad is even harder to push through a full choke gun. I still think it has something to do with the wads. When I open a shell, dump the shot, and then try to pull the wad out I either can't or it's so hard I ruin the wad. Not so with my 12ga shells when I goof something up and take them apart. My gauge bore won't open up enough to check the 10ga shell internal diameter and my shorter dial gauge that will is over to the club. I'll get it and check the shells ID. I'm about ready to pull the shot out of 100 shells and shoot the wads out and start over. I blew up a 1889 Remington by loading 94grs of PB when I thought I was loading Pyrodex - I kind of know all about the signs of too much pressure. Graig from Circlefly doesn't like 700X for low pressure 10ga loads. Someone told me he has a pressure testing machine and he got spikes in pressure using 700x. Not sure if it's true - maybe call him and ask. Paul
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Paul Harm
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