I have heard the same thing. In my Black Diamond XR I really do not get a "crud ring" like many people talk about. Sure I get fowling, and lots of it. You should see the scope at the end of the day. But a crude ring that is next to impossible to swab out... nope.

Today, I just bought some Winchester 209 primers at Wal Mart. According to the package they are, "WINCHESTER 209 Primers for in-line muzzleloading rifles." Code # WML209 (instead of W209 like before) $3.95 for 100 of the primers. The new REMINGTON primers for muzzleloaders were $5.95. Also on the back of the Winchester Primers they tell you that nothing in this, "Non-Corrosive and non-mercuric, these primers contain no ingredents that cause rusting of your barrels."

According to the sales manager of the sporting goods, they were told, the new winchester primers are low powered and will put an end to fowling problems and all the other complaints made by muzzleloaders. I can not wait to try them out.

And I got a number of different projectiles to try out including the 200 grain Shockwaves with the blue sabots, some Spitfire 230 grain HP's , and a bunch of other stuff. I should never go into those kind of stores...