The original poat was rather old and I see friend Ralph added some thoughts.
What I would advise is not to use soft pure lead balls, any size, trying to make the latest Tri-Ball loads. They will upsetin the wad and cause sidewall pressure indeed.
The original load was greatly improved using the Precision Reloading TUPRW123 Orange wad - three .600"/603" hard cast balls - 28 grs of Blue Dot - bullered - roll crimp - 3" Cheddite hulls.
But....you are on your own with this load. The balls must not have any buffer under the bottom or between the balls!
Regards, James
What I would advise is not to use soft pure lead balls, any size, trying to make the latest Tri-Ball loads. They will upsetin the wad and cause sidewall pressure indeed.
The original load was greatly improved using the Precision Reloading TUPRW123 Orange wad - three .600"/603" hard cast balls - 28 grs of Blue Dot - bullered - roll crimp - 3" Cheddite hulls.
But....you are on your own with this load. The balls must not have any buffer under the bottom or between the balls!
Regards, James