If you have an H&R or NEF shotgun, here is a way to turn it into a really superior muzzleloader:
http://www.smokelessmuzzleloading.com/
I had one of these built, and it's the best thing I ever did for muzzleloader season. Cheaper and better than the Savage smokeless.CB
http://www.smokelessmuzzleloading.com/
I had one of these built, and it's the best thing I ever did for muzzleloader season. Cheaper and better than the Savage smokeless.CB