Umarex Glock 19 Gen 3 CO2 NBB BB Pistol
Gen 3 frame
Non Blowback fixed slide
16 Round Stick Magazine
410 fps (Averaged 423 fps)
1.6 pounds, 726 grams
Double action only trigger
Most efficient on CO2
Umarex Glock 19X CO2 Blowback BB Pistol
Hybrid Glock 17 frame with Glock 19 Slide. Gen 4 styled frame.
Partial Blowback Action
18 Round Full Size Drop Out Magazine (same as 17 Gen 3)
360 fps (Actual right around 360 fps)
1.5 pounds, 662 grams
Double action only trigger
Umarex Glock 17 Gen 3 CO2 Blowback BB Pistol
Gen 3 fFrame
Partial Blowback Action
18 Round Full Size Drop Out Magazine (same as 19X)
365 fps (Averaged 363)
1.6 pounds, 726 grams
Double action only trigger
CO2 efficiency is a compromise between NBB and full blowback action.
Umarex Glock 17 Gen 4 CO2 Blowback BB Pistol
Gen 4 frame
Full Blowback Action
18 Round Full Size Drop Out Magazine
320 fps (Averaged 310 fps)
1.7 pounds, 771 grams
Single action only trigger
Most realistic Blowback action
Most usage of CO2.
Commonalities:
All are Glock licensed.
All have working trigger safeties.
All have white dot sights.
All have accessory rails.