- E&C 84rd 40mm M203 Grenade Gas Cartridge Shell.- Made out of metal alloy.- Fit all 40mm grenade launcher.- Contain 12 slots and each slot can store 7rd of 6mm airsoft BB.- Weight - Approx 189g - Size - 87mm x 40mm - Capacity - 84rd - Bullet type - 6mm BB- Power source - HFC 134a or HFC22 Top Gas- Original Packing