Just to respond to some of your comments
My load is a Hornaday .530 Round ball
110 grains FFFG Graff Powder
.018" Pillow ticking pre cut patches from Track
CCI , Rem , and or RWS Caps
Mink Oil Lube from Track
My goal was to just get the bore lapped enough so I could shoot 3 to 5 shots without...