Here are the vent-liners that i have been testing for the Savage breech plugs. They work great with Savage recommended powders. I will take some pics tonight for Edge to post how he mentioned before. The liners are $20.00 bucks for four and that includes shipping.

http://www.lehighbullets.com/products.asp?cat=25

Direct replacement vent liner for the Savage MLII muzzleloader. The domed head and computer modeled internal design improve combusion efficiency and consistency resulting in reduced velocity variation and less ignition fouling. Vent liners are produced from a MIL-spec steel alloy and are vacuum heat treated to a proprietary multi-step process to extend life to greater than 150 shots when using factory recommended smokeless loads. The deep hex allows for easy removal without stripping.