Clean with Bitches Bore Shine, then shoot Wipe Out in it and you'll see it don't hold a candle....

Its the easiest gig on the market. Smells like aqua velva. I put about 12" of clear fuel line hose on the spout, push it to the "neck" of the chamber and give it just enough to foam out the muzzle. Come back later and run patches. Easy peasy.