With the much awaited Tokyo Marui M4A1 MWS GBB now out, will it be at par or even better than the GHK M4 Gas Blowback Rifle? BadaBingPictures does a video comparison of these two M4 gas blowback rifles... "A comparison between two GBB M4's. One a veteran Airsoft manufacturer that's embarked upon the gas blow back rifle market with the debut of their M4 MWS and a smaller company already established within the GBBR community.