EMG TTI COMBAT MASTER Magazine Base Plate Cover For EMG SAI STI TTI / AW / WE / Tokyo Marui Hi-Capa GBB Co2 Pistol MagazineEMG TTI 2011 COMBAT MASTER Magazine Base Plate Cover For EMG SAI STI TTI AW WE Tokyo Marui Hi Capa GBB Co2 Pistol Magazine. Made out of CNC Aluminum. Light Weight Design. Hard anodized finish. Laser engraved licensed TTI trademark. Slick design with NO CHARGING PORT HOLE in the center. Designed for EMG TTI Combat Master Hi Capa Co2 Magazines. Also suitable for EMG STI SAI Hi Capa Co2 Magazines. Compatible with AW Armorer Works WE KJ Tokyo Marui Hi