Can you guess which MK18 Gas Blowback Rifle that Maydaysan Airsoft used in the gameplay video? Watch it first... "Some simple Airsoft MK18 Gameplay in Japan. This is one of the best GBBR MK18's on the market, and it's perfect for Japanese Airsoft. In this gameplay, I hold down the left flank at TENKOO with the MK18 GBBR. I hope you guys enjoy this Airsoft MK18 Gameplay!"