Umx Glk 17 Gen4 Ptrn Blowback .177bb

Umarex
UPC:
723364552021
$172.69
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The Umarex UMX GLK 17 Gen4 Pattern Blowback .177 BB CO2 Air Pistol delivers an impressively realistic shooting experience, faithfully replicating the look, feel, and function of the iconic GLOCK 17 Gen4 platform.

  • Full metal slide provides authentic weight, feel, and satisfying blowback action
  • CO2-powered blowback system cycles the slide with every shot for realism
  • Drop-out CO2 magazine design mirrors real firearm magazine removal
  • Gen4-pattern enhanced grip texture improves control and handling feel
  • Iconic GLOCK ergonomic interface with trigger blade safety for familiar operation
  • Fixed sights aligned for .177 caliber steel BB accuracy at close range

Who This Is For

This air pistol is ideal for GLOCK enthusiasts, competitive shooters practicing trigger discipline and draw technique, and backyard plinkers who want a high-fidelity CO2 replica without the cost of live-fire range sessions. It's equally well-suited for new shooters building muscle memory on a familiar platform before transitioning to a centerfire firearm.

Umarex UMX GLK 17 Gen4 CO2 BB Pistol - right side profile view Umarex UMX GLK 17 Gen4 CO2 BB Pistol - left side with drop-out magazine

Specifications

BrandUmarex
ModelUMX GLK 17 Gen4 Pattern Blowback
Caliber.177 (4.5mm) Steel BB
Power Source12g CO2 Cartridge
ActionSemi-Auto Blowback
VelocityUp to 380 FPS
Magazine Capacity18 BBs
Slide MaterialMetal
Frame MaterialPolymer
SightsFixed Front and Rear
SafetyTrigger Blade Safety
Overall LengthApprox. 8.0 in
WeightApprox. 25.6 oz (with CO2)

Frequently Asked Questions

Can I use this air pistol to train with before shooting a real GLOCK 17?

Yes — the Umarex UMX GLK 17 Gen4 Pattern Blowback is specifically designed to replicate the ergonomics, grip angle, trigger feel, and magazine release of the GLOCK 17 Gen4. It's an excellent dry-fire and live-BB training tool for building muscle memory, practicing draw strokes, and improving trigger discipline at a fraction of the cost of live-fire ammunition. Note that it is not manufactured or endorsed by GLOCK, and real GLOCK accessories and magazines are not compatible with this air pistol.

How many shots can I get from a single CO2 cartridge?

Under typical conditions, a single 12g CO2 cartridge will yield approximately 40–60 shots with consistent blowback action. Shot count can vary based on ambient temperature — cooler weather reduces CO2 pressure and may lower both velocity and the number of shots per cartridge. For best performance, allow the pistol to warm slightly between magazine changes in cold conditions.

What type of BBs does this pistol use, and can I use lead pellets?

This air pistol is designed exclusively for standard .177 caliber (4.5mm) steel BBs. It is not compatible with lead pellets, as the smooth bore barrel and magazine feed system are optimized for round steel BBs only. For best accuracy and to avoid feeding issues, use high-quality, seamless steel BBs from reputable brands such as Umarex or Daisy.