Originally Posted by Tabris17
They may be out there but they're more then likely just collectors pieces at this point. I've never seen one or honestly heard of one until now.
More then likely they went the way of the Max-flo and Dynaflow regs. Too heavy, bulky, and potentially complicated to survive against the new screw in regs. Could you find one? I'm sure if you looked hard enough. Would it work? That may be another issue entirely as I'm sure if you did find one you would have to find more to cannibalis parts like the Max-flo users do.
Since you have never seen one to say they are bulky would be incorrect, they are one of the few that are streamlined into the regulator slightly larger than the old Nitro Duck adjustable regs, but far more accurate and consistent. Also I believe the first adjustable reg.