This is something I’ve been messing around with.
Cheddite 2-1/2” primed hull
Claybuster wad
.380” lead ball(2)
1/2” BPI fiber wad
16grs of H110
The balls seated into the wad produce small bulges in the case. Best used in single shot or double barrel .410s. Common .375” balls might
Be better. I fill the remainder of the hull below the crimp with candle wax.
At 25 yards offhand, the first two made one hole. The second two stayed close together.
All hit to the left of center from my Yildiz.
I’ll try them in my Topper.
They seem to have enough steam to kill an archery range deer but that’s for another discussion.
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