Hey Gothic, Looking at that MWS adapter it seems you stick a loaded magazine into the bottom of that adapter right? If so you are gonna have about 12 inches of magazine sticking out of the MWS.. A std MWS mag is approx 7 inches and the magwell is approx 2.5 inches. So if you stick a mag into the bottom of that adapter then the length of that mag plus the length of the adapter mag will surely make the MWS look a tad strange to say the least in addition making the handling of the MWS awkward?