Williams Universal Muzzleloader Scope Mounts Fits all CVA muzzleloaders with Round or Octagon barrels Fits all Traditions muzzleloaders with Round or Octagon barrels Fits Knight DISC, American, Bighorn, Littlehorn, and Wolverine muzzzleloaders Fits TC Omega and Encore muzzleloaders DOES NOT FIT TC IMPACT, PRO HUNTER, TRIUMPH muzzleloaders