This gas magazine is designed to work with the Tokyo Marui Type 89 GBBR and also the Tokyo Marui M4 MWS GBBR. The design is that of the standard M4/AR magazine and will fit most/all standard 5.56 style magazine carriers and pouches.
Includes:
x1 Tokyo Marui Type 89 J.G.S.D.F. 35rds Gas Magazine