9 Umarex Glock 19 Blowback Co2 of 2026 For Realistic Training

1

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

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• ARS Mark

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  8.6
• Brand
  Elite Force

Key specs2

Slide Cycling Type

Non-Blowback Metal Slide

Handling and Takedown

Features authentic takedown disassembly and a metal slide at 1.4 pounds, but all CO2 power is directed to propel 6mm BBs up to 350 FPS without slide movement.

Pros & cons42

Pros

• Metal slide and authentic takedown procedure mimic standard pistol maintenance
• Reaches velocity ratings up to 350 FPS with 6mm plastic airsoft BBs
• Compact grip and slide design promote quick draws and easy holster handling
• Drop-free magazine runs on standard 12-gram CO2 cartridges

Cons

• Slide remains fixed during firing with no blowback cycling
• Cannot chamber .177 steel BBs for metallic reactive target shooting

2

Umarex Glock 19X Blowback 6mm BB Pistol Airsoft Gun, Glock

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  9.0
• Brand
  Elite Force

Key specs2

Blowback Airsoft Cycling

Gas Blowback (GBB)

Ammunition Requirement

This Glock 19X replica runs on 6mm airsoft BBs. It is engineered for tactical gaming and dry practice rather than reactive metal target plinking.

Pros & cons32

Pros

• Gas blowback action cycles the slide for authentic recoil feel
• Crossover profile pairs a compact Glock 19 slide with a full-size grip frame
• Chambered in 6mm for regulated airsoft scenarios and target drills

Cons

• Fires 6mm plastic rounds rather than .177 caliber steel BBs
• Factory velocity rating and frame materials must be verified on product page

3

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

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  8.8
• Brand
  Umarex

Key specs2

Slide Action and Build

Full Metal Blowback

Magazine Mechanism

• 18-round drop-free magazine capacity
• Chambered specifically for .177 caliber steel BBs
• Semi-automatic firing action

Pros & cons32

Pros

• Full metal slide cycles with blowback action during semi-automatic firing
• Drop-free magazine holds 18 rounds of .177 caliber steel BBs
• Heft of 1.7 pounds provides authentic hand feel during presentation drills

Cons

• Listing color is specified as tan despite black noted in product title
• Steel BB firing makes it unsafe for force-on-force skirmishes

4

Glock 19 Gen3 .177 Caliber BB Gun Air Pistol

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  8.8
• Brand
  Umarex

Key specs2

Slide Operation

Non-Blowback Fixed Slide

Muzzle Velocity Benchmark

Propels .177 caliber steel BBs at speeds up to 410 FPS using a 12-gram CO2 cartridge. The fixed slide channels all gas toward the shot, increasing velocity but omitting cycling action.

Pros & cons42

Pros

• Reaches muzzle velocity up to 410 FPS using standard .177 steel BBs
• Integrated Weaver rail accommodates tactical lights and laser sights
• Drop-in 12-gram CO2 power source provides consistent repeating fire
• Officially licensed Glock markings and fixed sights mirror Gen3 aesthetics

Cons

• Fixed slide mechanism eliminates blowback action entirely
• Slide does not lock back on an empty magazine during reload drills

5

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

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  8.6
• Brand
  Umarex

Key specs2

Holster Compatibility

Fits Most Duty Holsters

Frame Size Consideration

Delivers genuine slide cycling and drop-out metal magazine reloads, but uses the longer Glock 17 duty frame instead of the compact Glock 19 footprint.

Pros & cons42

Pros

• Full metal slide delivers realistic blowback cycling with working controls
• Fits most aftermarket duty holsters designed for duty carry gear
• Drop-out metal magazine holds 18 rounds of .177 caliber steel BBs
• Officially licensed Gen4 frame texturing and authentic Glock markings

Cons

• Full-size Glock 17 frame is longer than a compact Glock 19 profile
• Maximum velocity rating reaches 320 FPS due to blowback gas usage

6

GLOCK 19X Half Blowback 6mm BB Pistol Airsoft Gun, Glock

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  8.6
• Brand
  Elite Force

Key specs2

Slide Movement Profile

Half Blowback

Frame Ergonomics

• Gen4 style frame with finger grooves removed
• Tan colored injection-molded polymer frame
• Authentic Glock rollmarks and traditional sights

Pros & cons42

Pros

• Durable aluminum alloy slide matched with a rugged injection-molded polymer frame
• Gen4 style grip frame removes finger grooves for versatile hand positioning
• Powered by standard 12-gram CO2 cartridges firing 6mm plastic BBs
• Operates up to 300 FPS for controlled target shooting and airsoft games

Cons

• Half-blowback cycling features shorter slide travel than full blowback systems
• Limited strictly to 6mm plastic ammunition and cannot fire steel BBs

7

Glock 19 Gen 5 MOS Blowback 6mm BB Gun Airsoft

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  8.6
• Brand
  Elite Force

Key specs2

Optic Mounting System

MOS Slide Cut

Airsoft Generation Details

Features a factory Modular Optics System cut on the slide for dot sights and Gen 5 frame styling, cycling 6mm airsoft rounds with full blowback action.

Pros & cons32

Pros

• Modular Optics System slide cut supports compatible micro red dot sights
• Active blowback action provides realistic slide movement during airsoft sessions
• Gen 5 frame ergonomics reflect the latest generation service layout

Cons

• Fires 6mm plastic airsoft BBs rather than .177 steel airgun shot
• Magazine round capacity and velocity limits must be verified on product page

8

UMAREX GLOCK 19 Gen3 6mm BB Pistol Airsoft Gun, SB199

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  8.6
• Brand
  Beretta

Key specs2

Regional Compliance

SB199 Compliant

Platform Verification

Carries SB199 safety markings for regional retail standards. Confirm whether this Gen3 6mm airsoft replica uses a fixed slide or blowback action prior to ordering.

Pros & cons32

Pros

• Carries SB199 compliance markings required in regulated regional markets
• Matches Glock 19 Gen3 compact dimensions for holster fit and draw repetitions
• Chambered for readily available 6mm plastic airsoft ammunition

Cons

• Product data does not specify whether the slide operates with blowback cycling
• Magazine round capacity and exact CO2 loading style must be confirmed before purchase

9

Glock 19 Gen 5 MOS .177 Caliber BB Gun Pistol

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  8.2
• Brand
  Umarex

Key specs2

Optic Mounting Support

4 Included Optics Plates

Powerplant Housing

• 12-gram CO2 cartridge housed directly in the drop-free magazine
• Holds 17 steel BBs in .177 caliber
• Compatible spare magazine listed under part number 2255231

Pros & cons42

Pros

• Factory MOS slide includes 4 optics plates to mount standard micro red dot sights
• Drop-free magazine houses both the 12-gram CO2 capsule and 17 steel BBs
• Shoots .177 caliber BBs at up to 330 FPS with authentic Gen 5 compact handling
• Integrated accessory rail accepts standard weapon lights and accessories

Cons

• Fires .177 steel BBs, making it strictly unusable for force-on-force airsoft matches
• Manufacturer recommends Umarex brand CO2 to maintain optimal valve sealing

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

Do all Umarex Glock 19 CO2 models feature realistic blowback action?

No, action mechanisms vary across the lineup. Some models feature blowback action or half-blowback operation, while others operate with a fixed slide. The Glock 19X Gen5 .177 caliber air pistol includes blowback action with a full metal slide, whereas the standard Glock 19 Gen3 .177 caliber airgun functions as a non-blowback pistol. In the 6mm lineup, certain Glock 19X airsoft pistols use a half-blowback system with an aluminum alloy slide. Check the product specifications for full blowback or half-blowback before buying if you require slide cycling during training drills.

Does the Umarex Glock 19 replica fire steel BBs or airsoft pellets?

The pistol fires either .177 caliber steel BBs or 6mm plastic BBs depending on the specific model you choose. Models such as the Glock 19 Gen3 .177 and the Glock 19 Gen 5 MOS .177 are dedicated steel BB air pistols, holding metallic shot in specialized magazines for plinking and target drills. In contrast, models like the Glock 19 Gen 5 MOS Blowback 6mm and the standard Gen3 6mm airsoft gun are engineered strictly for 6mm plastic BBs. You can compare different training platforms in our breakdown of the best CO2 BB gun models of 2026 to confirm which ammo type fits your shooting environment.

Can I mount a red dot optic directly to the Glock 19 slide?

Yes, but only if you choose a factory MOS (Modular Optics System) model. The Glock 19 Gen 5 MOS .177 caliber BB gun pistol features a factory-cut slide and includes 4 optics plates to fit nearly any micro pistol optic on the market. Standard non-MOS models, such as the standard Gen3 versions, come with fixed slide tops and cannot accept optic plates without custom modifications. The Gen 5 MOS frame also provides an integrated accessory rail under the barrel for attaching weapon lights and laser units.

Will an Umarex Glock 19 CO2 pistol fit real Glock 19 holsters?

Holster compatibility depends on your holster material and the specific model dimensions. Many versions share the compact ergonomics of the original firearm, featuring a shorter slide and grip than standard Glock 17 frames. However, airgun dimensions can vary slightly from live-fire specifications. The Glock 19 Gen 5 MOS .177 model lists dimensions of 6.89 inches long by 1.34 inches wide, while the Glock 19 Gen3 .177 measures 7.25 inches long by 1.7 inches wide. Leather holsters, nylon rigs, or adjustable Kydex holsters accommodate these variations well, but rigid, non-adjustable retention holsters may require loosening retention screws.

Are magazines interchangeable between different Glock 19 CO2 models?

No, magazines are not interchangeable across different calibers or blowback systems. A 14-round magazine designed for a Glock 19X half-blowback 6mm airsoft gun will not fit or feed in a .177 caliber steel BB pistol. Steel BB models, such as the 15-shot Glock 19 Gen3 .177, use specialized narrow channels engineered for metallic ammunition, while airsoft magazines feature distinct feed lips for 6mm plastic spheres. Always check the exact model name, generation, and caliber designation on the magazine package to ensure proper fit.

What type of CO2 cartridge powers the Umarex Glock 19 blowback?

All Umarex Glock 19, Glock 17, and Glock 19X air pistols and airsoft replicas in this category are powered by standard 12-gram CO2 cartridges. The 12-gram CO2 cartridge is not included with the pistol and must be purchased separately. Depending on whether your model features a drop-free magazine or a sealed grip compartment, the 12-gram capsule installs directly into the magazine body or under the backstrap of the polymer frame.