Pat Iffland of the CBA is thinking of sponsoring a postal match for its members. I.e., you have to be a CBA member for scores to be published in "The Fouling Shot." This is all preliminary, but thus far it looks like 50 yds. offhand with traditional ML'ers (no inlines) with adjustable or fixed (primitive) sights (no aperture sights though). The target itself hasn't yet been decided. If you're interested in this and wish to put in your oar, go here:
http://www.castbulletassoc.org/forum/view_topic.php?id=9467&forum_id=78