Heres another muzzleloader to look at. I own one .50 cal with advantage timber and stainless steel barrel. Rifle is built solid. Ive carried quite a few muzzleloaders and never felt one that fit perfectly in my hands. Even comes with a recoil pad thats actually useable. Shoots great patterns.
http://www.winchestermuzzleloading.com/products/x150.htm