Desert Eagle magazine Fits CO2 powered Desert Eagle airsoft 6mm pistols (item # CG90505) 21 rds Own a Desert Eagle CO2 powered airsoft pistol? Don't run out of ammo during intense airsoft skirmishes. This .50AE spare magazine by Desert Eagle fits CO2 powered Desert Eagle airsoft pistols exclusively. Buy an extra magazine so you can reload faster! Magazine holds 21 BBs.