Originally Posted by dqsantos
I have been using the maxflow 68//45. It has worked fine but is not attached with the rail. It is attached with the maxflow rail and the two bolts into the grip frame.
However, I would light to lighten my load so I have an adapter coming to replace the minireg so I can attache whatever tank I want with the stock asa.
That's not needed, the A1 reg can handle any pressure tank up to I think 950 psi.