Jay, No I have not tested the load I'm shooting now. However, I would suspect the pressure will be down somewhat and the velocity will be slightly higher. How much, I have no idea. As I mentioned, I'm not using this in any of my Parkers. I suspect it might be okay in my steel barreled guns. Very light recoil.
Here is a longshot recipe that might help and it was tested by Precision Reloading.
2.5" Cheddite once fired hull
Cheddite 209 (2000) primer
TUWG2116 wad
18 gr. Longshot
1oz. lead shot 7-1/2's
6 point crimp
1051 fps ave. velocity, 5562 psi ave. pressure.
Shoots alittle dirty.
This info is for educational purpose, do with it as you will.
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