This is the Umarex T.D.P. 45 air pistol now at just air guns UK. Start enjoying shooting again… with this inexpensive Co2 pistol from Umarex. Powered by a 12g Co2 Capsule and fires 4.5 steel BBs at a good FPS. The accuracy is good and a joy to fire due to the 2 stage trigger and semi-auto firing.