M4 Co2 Magazine 80rnd.

80 round Capacity

Holds one 12gm Co2 Bulb

These are the same Co2 magazines that come stock with the Tippmann Arms M4 Carbine. ( the HPA/CO2 one)

Although designed for Tippmannn M4 (HPA Series) this magazine also fits most other M4 platforms and operates asa standard 80rd mid cap mag