Deerslayer, this will cost you a little more money, but you will not regret looking at Tennessee Valley Muzzleloading
http://www.avsia.com/tvm/ . You must also call and talk with Toni. She and Matt are the owners and you will not find nicer people who will build you a custom gun to your specs for a semi-custom price. Ask her about their Leman Rifle with a percussion lock. For the money, you will have a gun that is unique to you and will be a real shooter.