I bought a Knight DISC original with a 22" barrel at an online auction. I know better than to buy a muzzleloader sight unseen used but it was wearing a Leupold Vari-X iii 1.5-5x20 in gloss. I got it for $300 so wasn't concerned about the gun just the scope. When I received it saw that gun used the orange disc's and those would be difficult to source so started looking into the bare primer ignition. Been asking questions about that on this forum. So before I invested in an upgrade I decided to take a loom at the barrel to even see if it's worth it. Pulled the plug and I'm not even sure this has been fired. Absoluted gorgeous rifling and the plug is bright and shiny. The bolt and trigger mechanism was completely covered in brown grease.