AW Custom Hi Capa 5.1 Green Gas 30rd Magazine (Black / Silver)The AW Custom 30rd gas magazine for the TM, WE, and AW Custom Hi Capa 5. 1 style magazine is a robust and highly gas efficient magazine designed to be a great upgrade over the stock magazines found in the out of the box guns. Compatibility: Tokyo Marui Hi Capa 5. 1 GBB Pistol Series WE Hi Capa 5. 1 GBB Pistol Series AW Custom Hi Capa 5. 1 GBB Pistol Series Capacity: 30rds