Umarex Glock 19X MOS Gas Airsoft Pistol Make an impression upon your fellow airsoft friends and your opponents with the GLOCK 19X MOS green gas blowback airsoft pistol. This Model 19X features a threaded muzzle (14mm CCW), MOS system ready and even includes 4 adapter plates for the optic of your choice. Additionally, this airsoft pistol features suppressor height sights and is GTL (GLOCK Tactical Light) compatible. Load up the magazine with 19 new BBs and fill the gas reservoir with Elite Force FUEL and hit the airsoft CQB course. Expect .0.20G BB s to leave the muzzle at a field safe velocity of 300 FPS Officially Licensed Product of GLOCK