There was far to much reliance on the thought that having enhanced guards implanted made any escape attempt futile. This was almost true, But if one could move a small force to the armory without being realized by more than a small minority of Dominus's security force. They could then divide the arms amongst the fugitives and escape. But of course one would need the daily security code, the ability to take out the guards along the way, and a way to bypass multiple security checks some using iris and DNA verification systems. It may be easier to simply shut down the power grid for the building, thereby allowing all powers to be freely used and then just make a way out.