9 Umarex Glock 19 Gen 4 of 2026 For Realistic Training

1

Elite Force Glock 19 Gen3 GBB 6mm BB Pistol Airsoft

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• ARS Mark

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  9.0
• Brand
  Umarex

Key specs1

Airsoft Training Role

Gas blowback cycling and a 6mm airsoft build make this compact replica suitable for force-on-force training rather than steel target plinking.

Pros & cons32

Pros

• Gas blowback cycling provides realistic slide action during training drills
• Compact Glock 19 Gen3 frame matches standard compact carry holster dimensions
• Fires 6mm plastic BBs suitable for force-on-force tactical airsoft practice

Cons

• Uses 6mm plastic airsoft BBs rather than .177 steel target BBs
• Features Gen3 frame styling rather than Gen4 finger grooves or grip texture

2

Glock 19 Gen3 .177 Caliber BB Gun Air Pistol

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  8.8
• Brand
  Umarex

Key specs2

Velocity Benchmark

Up to 410 FPS with .177 steel BBs

Slide Mechanism

The fixed slide design eliminates blowback recoil to maximize CO2 output, producing higher velocities for target plinking.

Pros & cons42

Pros

• Achieves muzzle velocities up to 410 FPS using standard .177 steel BBs
• Integrated Weaver rail accommodates standard weapon lights and rail accessories
• Compact 7.25-inch overall length mirrors original Glock 19 carry dimensions
• Officially licensed Glock markings and fixed sights support familiar sight picture

Cons

• Fixed slide mechanism does not provide cycling blowback action
• Features Gen3 frame ergonomics rather than Gen4 interchangeable backstraps

3

Glock 19X Gen5 .177 Caliber BB Gun Air Pistol, Black

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  8.8
• Brand
  Umarex

Key specs2

Slide & Action

Blowback action with full metal slide

Magazine Feeding

18-round drop-free magazine

Pros & cons42

Pros

• Full metal slide cycles with authentic blowback action on every shot
• Features an 18-round drop-free magazine for authentic reload drills
• Semi-automatic firing mechanism shoots .177 caliber steel BBs
• Crossover 19X frame blends compact slide handling with full-size grip stability

Cons

• Full-size frame length will not fit standard compact Glock 19 carry holsters
• Gen5 style frame profile lacks Gen4 finger grooves and frame texturing

4

GLOCK 17 Blowback .177 Caliber BB Gun Air Pistol, Gen4

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  8.6
• Brand
  Umarex

Key specs2

Frame Generation

Features genuine Gen4 frame ergonomics and controls, though built on the larger full-size Glock 17 duty platform.

Holster Compatibility

Fits most aftermarket duty holsters

Pros & cons42

Pros

• Delivers authentic Gen4 frame texture and controls with functional blowback action
• Drop-out metal magazine holds 18 steel BBs alongside a 12-gram CO2 cartridge
• Velocity reaches up to 320 FPS for target plinking and weapon handling practice
• Fits most aftermarket duty holsters designed for full-size Glock frames

Cons

• Full-size Glock 17 dimensions will not fit compact Glock 19 carry holsters
• Maximum velocity of 320 FPS is lower than fixed-slide BB models

5

Umarex GLOCK 17 Blowback .177 Caliber BB Gun Air Pistol,

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  8.6
• Brand
  Umarex

Key specs2

Velocity Benchmark

Up to 365 FPS with .177 steel BBs

Slide & Action

Full metal slide with blowback

Pros & cons42

Pros

• Realistic blowback action cycles the full metal slide with each trigger pull
• Generates muzzle speeds up to 365 FPS using .177 caliber steel BBs
• Drop-out metal magazine holds 18 rounds for realistic magazine change practice
• Sized to fit most aftermarket duty holsters for full-size Glock frames

Cons

• Full-length Glock 17 profile does not match compact Glock 19 holster rigs
• Built on Gen3 frame styling without Gen4 modular grip adaptability

6

Umarex USA GLOCK 19 Gen3 6mm BB Pistol Airsoft Gun,

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  8.6
• Brand
  Elite Force

Key specs2

Handling & Takedown

Features authentic take-down procedure and drop-free magazine handling in a compact 6mm airsoft format.

Caliber & Ammunition

6mm plastic airsoft BBs up to 350 FPS

Pros & cons42

Pros

• Shoots 6mm plastic airsoft BBs at velocities up to 350 FPS
• Authentic take-down procedure and metal slide match compact firearm handling
• Drop-free magazine and compact grip support defensive draw and reload practice
• Weighs 1.4 pounds for realistic balance in hand and in standard holsters

Cons

• Uses 6mm plastic airsoft BBs instead of .177 caliber steel BBs
• Built around Gen3 styling without Gen4 frame checkering or interchangeable straps

7

Glock 19 Gen 5 MOS Blowback 6mm BB Gun Airsoft

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  8.6
• Brand
  Elite Force

Key specs2

Optics Capability

MOS slide cut for micro red dot optics

Frame Generation

Built on the Gen 5 compact frame profile without finger grooves, suited for optic-equipped holster drills.

Pros & cons32

Pros

• MOS slide cut enables direct mounting of micro red dot optics for target practice
• Blowback cycling provides realistic slide recoil on a compact Glock 19 frame
• Gen 5 frame features flared magwell contours and front slide serrations

Cons

• Shoots 6mm plastic airsoft BBs rather than standard .177 steel ammunition
• Listing does not specify velocity rating or included optic adapter plates

8

Umarex Glock 17 Gen4 Blowback 6mm BB Pistol Airsoft Gun,

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  8.4
• Brand
  Elite Force

Key specs2

Magazine Feeding

23-round drop-free magazine

Spare Magazine Part

Compatible part number 2276320

Pros & cons42

Pros

• Authentic Gen4 frame geometry provides genuine Gen4 grip texture and ergonomics
• High-capacity drop-free magazine holds 23 rounds of 6mm plastic airsoft BBs
• Realistic blowback action and authentic take-down mirror original Glock functions
• Heavy 1.9-pound build closely replicates the loaded feel of a service sidearm

Cons

• Full-size Glock 17 frame does not replicate compact Glock 19 carry dimensions
• Shoots 6mm plastic airsoft BBs up to 335 FPS rather than .177 steel BBs

9

Glock 19 Gen 5 MOS .177 Caliber BB Gun Pistol

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  8.2
• Brand
  Umarex

Key specs2

Optics Capability

Includes 4 MOS mounting plates

Spare Magazine Part

Compatible part number 2255231

Pros & cons42

Pros

• Includes 4 MOS adapter plates for mounting micro pistol red dot optics
• Compact 6.89-inch length replicates standard Glock 19 holster dimensions
• Drop-free 17-round magazine houses the 12-gram CO2 cartridge cleanly
• Integrated accessory rail accommodates standard tactical lights and lasers

Cons

• Uses Gen 5 styling without the finger grooves characteristic of Gen4 frames
• Velocity reaches up to 330 FPS compared to 410 FPS on non-blowback Gen3 models

Last update on 2026-10-10 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

Does Umarex make an official Glock 19 Gen 4 airgun?

No, Umarex does not offer a dedicated Glock 19 Gen4 replica in either steel BB or airsoft formats. Buyers searching for that specific frame profile generally must choose between the compact Glock 19 Gen3, the updated Glock 19 Gen 5 MOS, or the full-size GLOCK 17 Gen4. If matching authentic Gen4 grip texturing and finger-groove styling is your top priority, the GLOCK 17 Gen4 blowback pistol provides those exact ergonomics, though built on a longer full-size frame.

What is the closest compact replica alternative to a G19 Gen4?

The Glock 19 Gen 5 MOS and the Glock 19 Gen3 are the closest compact alternatives available. The Glock 19 Gen 5 MOS .177 caliber airgun matches the compact carry profile, features an integrated accessory rail for lights, and includes 4 optics plates to mount micro pistol red dots directly to the slide. If you prefer blowback slide action on a compact profile, the Glock 19X Gen5 .177 caliber pistol features a full metal slide with blowback recoil, while the Elite Force Glock 19 Gen3 GBB provides blowback cycling in a 6mm airsoft format.

Which Glock replica models feature realistic blowback action?

Blowback action is included on select models, but it is not standard across all Umarex Glock air pistols. The GLOCK 17 Gen4 .177 caliber airgun, the Glock 19X Gen5 .177 pistol, and the Glock 19 Gen 5 MOS 6mm airsoft gun all feature operational blowback slides powered by a 12-gram CO2 cartridge. In contrast, simpler variants like the 15-shot Glock 19 Gen3 .177 BB gun use a fixed slide that does not cycle during firing. If realistic slide motion is critical for your practice drills, verify the blowback specification on a CO2 BB gun for realistic training before ordering.

Should you choose a .177 steel BB or 6mm airsoft Glock for training?

Your target setup and practice environment dictate which caliber suits your routine best. The .177 caliber pistols, including the 15-shot Glock 19 Gen3 and the 18-shot GLOCK 17 Gen4, fire steel BBs that require a solid backstop and work best for outdoor target traps. The 6mm airsoft versions, such as the 23-round GLOCK 17 Gen4 airsoft gun, shoot plastic BBs that are better suited for indoor setups or dynamic tactical drills. If you also shoot shoulder-fired platforms at home, pairing your handgun drills with a tactical air rifle for training creates a balanced practice routine across both systems.

Can you mount weapon lights and red dot optics on these compact Glock replicas?

Yes, provided you choose a model built with the proper mounting interfaces. The Glock 19 Gen 5 MOS .177 caliber BB pistol comes with an integrated accessory rail along the dust cover for mounting weapon lights or aiming devices. It also incorporates the Modular Optics System with 4 optics plates, allowing you to attach nearly any micro pistol optic on the market. Standard models like the basic Glock 19 Gen3 do not have optics cuts, so check the slide specifications carefully if your carry setup relies on a miniature red dot.

Are Glock airgun magazines interchangeable between different models?

No, Umarex Glock magazines are engineered strictly for specific frame sizes, generations, and ammunition types. A 15-round Umarex Glock 19 Gen3 .177 caliber magazine will not fit or feed inside a 6mm airsoft pistol or a full-size GLOCK 17 frame. Each magazine housing is built specifically for its caliber, internal valve design, and grip depth. Always verify your pistol model number, caliber, and generation before ordering spare magazines.