pull the wedge on the barrel, and lift the barrel UP, as though it were hinged. this'll get the barrel out. take the barrel and a tea pot of hot water out on the back porch. pour the water down the bore. the barrel will be hot so hold it with a rag, or paper towels. you'll need those anyway to clean off the outside of the barrel, and wipe down the lock and hammer. pump a rod with the right size brush up and down in the barrel to move the water around in there, then switch to dry patches. when the patches come out dry, spray WD 40 lightly on a bit of rag, then pump that up and down in the bore to prevent rust. Do NOT spray WD 40 down in the barrel, this'll make it mis fire when next you take it out. Check it with another dry patch in about a week, to make sure no rust has formed. if it has, use another lightly sprayed WD 40 patch. other folks will tell you petroleum distillates can't be used with black powder, as a lubricant. well, they're right. makes really nasty fouling if you can even get the thing to fire. THAT'S why we only lightly sprayed the patch. We're only preventing rust here, not using WD 40 for lube. lightly rub down your hammer and lock work and other metal with the WD 40 and put it away, checking on it periodically for rust. As you get more ''into'' black powder you'll pick up special ''black powder'' solvents, and tools, but this will get your rifle clean and properly stored, in the meantime with tools and chemicals you likly have on hand, now.