A quick look at the officially licensed Elite Force Glock G19X CO2 Blowback Pistol... "The officially licensed GLOCK 19X is a CO2 powered HALF blowback airsoft replica that has all the features of GLOCK's first crossover designed pistol!

GLOCK combined the best features of two of its most popular platforms, the full-size GLOCK 17 frame and the compact GLOCK 19 slide. The G19X features the Gen5 frame and grip, making it perfect  for any sized hand, left or right! The 19X comes in the coyote color with a full metal slide and rugged polymer frame."