The Umarex made Walther CP99 is a nice light weight CO2 air pistol. The 12gm CO2 Capsule is located into the handle of the pistol and can be removed without venting any remaining gas. The CP99 is a licensed CO2 copy of the Walther P99 pistol. This pistol is dual action allowing more accurate shots to be made if required. Comes with 2 x 8-shot magazines and manufacturers hard case for carrying and storage.