Playing around with them. I got up to 14.5grs of 410 powder and no OP card, just the plastic wad, and a overshot card. I'm about out of room with 14.5grs of powder. The barrels don't have a lot of residue and a friend doing my test firing is in 20s at a round of skeet. He thinks they shoot just like his regular reloads with plastic shells. I found the OS card needs to be glued in good - about a 1/8" of hot glue along the walls of the shell, over the card. Just using carpenters glue does have enough resistance for a good powder burn. Had one shell crack for about 3/4" back. So I just annealed all the shells hoping they'll fire form a little better. A new shell measures .450 and a twice fired .470. I'll check after the next firing. It's been a fun learning process while this virus crap is keeping many of us home. Just glad we're still shooting three times a week.
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Paul Harm
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