In my rifle, Hanshi, with about .008" rifling, I can push the .023" ticking patched .311" ball down into the muzzle with the stud on the short starter's knob, just by pushing on it with my hand. The small balls re-form into the rifling very easily. It doesn't take very much pressure, it seems.
I found when using mink oil in my .32, that after the first shot, it loaded easier than the first had and continued to do that however many shots I fired- all were easier than the first - perhaps that was due to the 'other' oil film not being compatible with the mink oil? Dan found this with WD40 as well. When using the normal wet patches, I haven't noticed this - except every round including the last round of the day, whether it's only the 50th or the 80th, always loads as easily as the first - only fore finger and thumb on the ram rod to seat it after it's started 5" down the tube.