To wad or not.....

[tacfoley]

chain fires are from the rear.....badly worn nipples with incorrectly seated caps

This. ^

Looking inside the case of my Colt revolver, at the instructions on the label, there is positively NO mention whatsoever of either wads or over-ball grease.

Back in the day, a few hardy souls who kept their guns loaded for extended periods MAY have used some kind of grease over the ends of the chambers, but these days......

Your guns, and your choice.

tac