Originally Posted by XxTexasfuryxX
You can take the back part of the ASA off and screw the tank in there. Then you have to screw the screws back into the ASA and frame. It takes a while and you wont be able to take off your tank unless you take off the ASA again but you can still do it.
I'm not sure how this works because I don't know how you're supposed to screw one of the screws in with the reg's threading in the way. But he did recommend this to someone and it worked out.