Diles46 explains a Half Blowback CO2 Pistol Glock 19x from Elite Force in this video... "We take a look at the Elite Force , Umarex USA GLOCK Licensed 19X 6mm airsoft gun OEM'd by Wingun. This is a HBB or Half BlowBack. This Airsoft pistol has a great price tag and many perks above the other Airsoft GLOCK 19X models. Watch to find out why!"