I've got one of Charlie's Cat-Tails for my DMS-1 and really really like it, it's superbly made & finished cat tail that really works great on the scope, check out his forum for a few pictures of my AR with the cat-tail on it.
I've got a Cat Tail from a forum sponsor here for my DMS-1 and love it. Check out This Forum Dealer and give him a shot, you can't go wrong with one of Charlie Drissel's Cat Tails: