G&G Metal 90rd Mid-Cap Magazine for G2 M4/M16 Series Airsoft AEG Rifles WE TECH It also includes an adjustable

It also includes an adjustable hop-up system for increased accuracy

The easy to load 10 shot clips swing out of the back of the cylinder and can be changed for a quick reload

System : Gas Blow BackAction : Semi autoVelocity : ~ 360 fps with extensionVelocity : ~ 310 fps without extensionLength : 180 mmWeight : 775 gHop up : AdjustableGas : CO2Capacity :21

Manufacturer: WE (Taiwan)

Umarex HK USP

G&G Metal 90rd Mid-Cap Magazine for G2 M4/M16 Series Airsoft AEG Rifles WE TECH It also includes an adjustableFeatures Metal alloy shell provides rugged durability and a realistic look and feel High tension spring ensures reliable feeding 90 round capacity mimics realistic magazine capacity, perfect for mil sim events Compatible with G&G G2 Gearboxes Compatibility: G&G G2 M4 M16 Series Airsoft AEG RiflesCapacity: 90 roundsMaterials: Metal alloy, Polymer