We get to see how the Guns Modify HK416A5 Gas Blowback Rifle that uses the Tokyo Marui MWS system as done by the Fortress Channel... "This is a review of the new product Guns Modify HK416A5 Gas Blowback Body LEVEL 2 SPEC (MWS System) JP ver. This review is done using a sample product received from the manufacturer. This was done at our store's indoor 45m range."