Black Powder Weapons Care and Use with USA Fluid for Hunting and Competetion Shooting
Legacy Gun Show talk video. Competition shooter tells his Experience in Cleaning and using his black powder rifles to guys there at the show.
Just for starters - you can get 2-3 times the shots with no loss of accuracy or accumulation of lead of powder in the barrel amongst many other things he will tell you.
USAfluid.com is the greatest weapons preservative and usage stuff you can use.