UMAREX 88 Gram Co2 Cartridges, 2-Pack Western Arms mag MagazineThread Direction:14mm counter-clockwiseMagazine Compatibility:Compatible with

MagazineThread Direction:14mm counter-clockwiseMagazine Compatibility:Compatible with M4 series airsoft magazine

20g BBs (High FPS spring installed

and two M28 magazines

A new remarkable design feature unique to this EPM as it allows the end user immediately know if the magazine is fully loaded by seeing the orange follower appears at the small see-through window which is located at both side of the shell

Operation: Spring Bolt Action

UMAREX 88 Gram Co2 Cartridges, 2-Pack Western Arms mag MagazineThread Direction:14mm counter-clockwiseMagazine Compatibility:Compatible withFeatures: Specially Designed for All UMAREX Airguns (Compatible with Others) Size: 88 Gram Long Lasting Cartridges Non Threaded Tip Pure Co2 Secure Seal Disposable Quantity: 2Power Source: CO2 Manufacturer: Umarex