you need one of the regs also known as hyper 4 as they are the same as the hyper3 but have the stock thread size that fit all markers instead of the smaller one on the pm8/newers dm's
you need one of the regs also known as hyper 4 as they are the same as the hyper3 but have the stock thread size that fit all markers instead of the smaller one on the pm8/newers dm's