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superdiver, at 2.860" they're shooting much better (unless the 3rd group is a fluke). That's 0.114" of jump.

I've got loads of mag length to play with. Could just go with the default 2.860" and see how they go.

Yeah I can't do that. I only have one box and they're patterning like a shotgun currently.

About to do a seating depth test on these suckers. I've tried 0.015" off the rifling and 0.050". Neither shot worth a damn so I will try 0.085" next.

Same brass, powder, and primers are producing...