Gamo 12-Gram Replacement CO2 Cylinders 25-Packp25 pk 12gr CO2 cylinder cartridges for air pistolspFeatures of Gamo 12-Gram Replacement CO2 Cylinders 25-Pack p25 pk 12gr CO2 cylinder cartridges for air pistolspSpecification of Gamo 12-Gram Replacement CO2 Cylinders 25-PackProduct DetailsWeight 2.4..