Delta Says gives his take on the WE Airsoft G19X Gen 5 Gas blowback pistol which has has owned for two years now. Available in black and tan, this gas blowback pistol has a metal slide and a polymer lower frame. This uses Green Gas and has a magazine capacity of 24-BB rounds... "Glock 19x Gen5 review, which I have been using for the last 2 years and admired its ergonomics."