If you use your muzzle loader for hunting...what is really the big deal about a crud ring? Most states limit you to one or two deer per day. How many times do you really need to shoot to accomplish that?
Now if you are using the ML for plinking or an afternoon of target paractice, now that is a different story.
For myself, I have played with BH209 and never really fell in love with it. I never got really good groups with my powerbelts. Since I am primarily a hunter with a muzzle loader, it seems to make things a bit more complex to deal with the loose over pellets. I have never really had issues with my Accura and 3 shots with crud (45 cal - 275 gr HP PB - 3 777 pellets). After 3, however, things get more difficult without cleaning.
Not trying to step on anyones toes here, just saying, in a hunting situation if you have to shoot more than 3 shots to down your game, maybe there are other issues. I have dropped way over 30 deer with one shot kills. No deer have ever taken 2 shots and I have never lost one with a muzzle loader.
So...in a hunting situation...is the crud ring really that critical of an issue? To me...not really. Maybe I am just the oddball.