11 Umarex G19 Gen 4 of 2026 For Realistic Training

1

Umarex High-Grade CO2 Cartridges for Pellet Guns, BB Guns and

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  9.4
• Brand
  Umarex

Key specs2

Gas Cartridge Standard

12g non-threaded capsule

Replica Compatibility

Standard 12g capsules fit CO2 airguns and airsoft pistols that accept 12-gram powerlets, matching both steel BB and airsoft Glock setups.

Pros & cons32

Pros

• Delivers reliable 12-gram CO2 power for standard airguns and airsoft replicas
• Sized conveniently in a compact 12-pack for quick range sessions
• Compatible across diverse CO2-powered pellet, steel BB, and airsoft platforms

Cons

• Smaller pack size requires frequent reordering for regular shooters
• Specific shot count per cartridge depends entirely on the airgun model

2

Umarex High-Grade CO2 Cartridges for Pellet Guns, BB Guns and

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  9.4
• Brand
  Umarex

Key specs2

Bulk Quantity

30 individual 12g capsules

Valve Maintenance

Formulated to keep internal airgun valves free of dirt and debris, which preserves gas seals during prolonged shooting sessions.

Pros & cons32

Pros

• 30-count bulk packaging supplies extended training sessions with fewer reorders
• Clean gas formulation helps prevent valve fouling inside replica airguns
• Standard 12-gram size fits a wide range of CO2 pistols and air rifles

Cons

• Shipping availability is restricted to specific zip codes
• Output velocity naturally decreases during rapid firing sequences

3

Umarex USA Glock 19 Gen3 Magazine for .177 Caliber BB

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  9.0
• Brand
  Umarex

Key specs2

Ammunition Type

.177 caliber steel BBs

Frame Generation Match

Built strictly for the Umarex Glock 19 Gen 3 .177 BB pistol and does not interchange with Gen 5 or 19X frames.

Pros & cons32

Pros

• Holds 15 rounds of .177 caliber steel BBs for realistic reload drills
• Factory fit specifically designed for the Umarex Glock 19 Gen 3 BB pistol
• Lightweight 0.2-pound profile allows easy carrying in magazine pouches

Cons

• Incompatible with 6mm airsoft Glock models or pellet-firing frames
• Does not fit Gen 5 or 19X airgun magazine wells

4

T4E Glock G17 Gen 5 .43 Caliber Paintball Marker Quick-Piercing

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  9.0
• Brand
  T4E

Key specs2

Marker Caliber

.43 caliber paintball

Piercing Mechanism

Features an emergency quick-piercing design to keep the CO2 cartridge unpunctured until the instant of use.

Pros & cons32

Pros

• Quick-piercing magazine mechanism readies gas pressure instantly when needed
• Designed specifically for the full-size T4E Glock 17 Gen 5 marker frame
• Accommodates .43 caliber paintball rounds for force-on-force tactical practice

Cons

• Designed for full-size G17 frames rather than compact G19 platforms
• Strictly limited to .43 caliber paintballs and cannot chamber BBs or pellets

5

Glock 19 Gen3 .177 Caliber BB Gun Air Pistol

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  8.8
• Brand
  Umarex

Key specs3

Muzzle Velocity

Up to 410 FPS

Accessory Mounting

Integrated Weaver rail

Slide Action

Fixed slide construction channels all CO2 into projectile propulsion, yielding up to 410 fps at the expense of cycling recoil.

Pros & cons43

Pros

• Delivers steel BB muzzle velocities up to 410 fps using a 12-gram CO2 cartridge
• Authentic licensed Glock markings and standard Glock-style fixed sights
• Integrated Weaver rail supports weapon lights and tactical training lasers
• Solid 1.6-pound weight mimics the realistic heft of an authentic handgun

Cons

• Non-blowback slide does not cycle during firing
• Stick magazine does not drop free like a full-size firearm magazine
• CO2 cartridges must be purchased separately

6

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

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  8.8
• Brand
  Umarex

Key specs2

Cycling Mechanism

Gas blowback with full metal slide

Magazine Capacity

18-round drop-free

Pros & cons42

Pros

• Realistic blowback action cycles the full metal slide with every shot
• 18-round drop-free magazine replicates authentic firearm reload mechanics
• Authentic 19X crossover frame design combines a full grip with a compact slide
• Realistic 1.7-pound weight provides solid handling during holster drills

Cons

• Blowback slide cycling consumes more CO2 than fixed-slide alternatives
• Steel BB ammunition ricochets easily off hard backstops

7

Elite Force unisex adult 19-Round (GBB GLOCK 19) Airsoft Magazine,

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  8.8
• Brand
  Umarex

Key specs2

Airsoft Ammunition

6mm plastic airsoft BBs

Platform Fit

Constructed for gas blowback Elite Force Glock 19 airsoft pistols and will not seat inside steel BB frames.

Pros & cons32

Pros

• Full 19-round capacity supports realistic airsoft skirmishes and target runs
• Built specifically for Elite Force gas blowback Glock 19 airsoft pistols
• Drop-free form factor allows true-to-life magazine change practice

Cons

• Only feeds 6mm plastic BBs and cannot use .177 steel BBs
• Incompatible with non-blowback or pellet airgun variants

8

Glock 19 Gen 5 MOS Blowback 6mm BB Gun Airsoft

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  8.6
• Brand
  Elite Force

Key specs2

Optic Compatibility

Modular Optic System (MOS) cut

Frame Ergonomics

Gen 5 styling removes the front finger grooves, delivering a straight front strap compatible with diverse hand sizes.

Pros & cons32

Pros

• Factory MOS slide cut accepts red dot optic mounting plates
• Realistic blowback cycling mimics firearm slide movement for training
• Gen 5 frame features flared magwell and removed finger grooves for grip comfort

Cons

• 6mm airsoft plastic projectiles lack the weight and density of steel BBs
• Requires compatible gas canisters or magazines to be verified before use

9

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

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  8.6
• Brand
  Elite Force

Key specs2

Airsoft Feed Track

14 rounds of 6mm BBs

Action Specificity

Engineered specifically for half-blowback Glock 19X airsoft variants and cannot be substituted into full-blowback models.

Pros & cons32

Pros

• Dedicated 14-round capacity for Glock 19X half-blowback airsoft platforms
• Metal magazine construction adds realistic weight to tactical reload drills
• Reliable spring-fed track provides smooth feeding for 6mm plastic BBs

Cons

• 14-round capacity holds fewer rounds than full blowback 19-round magazines
• Half-blowback magazine dimensions do not fit full-blowback Glock frames

10

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

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  8.6
• Brand
  Umarex

Key specs2

Drop-Free Design

Houses 18 BBs and CO2 capsule

Airgun Compatibility

Designed exclusively for the Umarex Glock 19X Gen 5 steel BB pistol, ensuring proper latching and valve alignment.

Pros & cons32

Pros

• Holds 18 steel BBs alongside the CO2 powerlet in a drop-free housing
• Authentic full-size profile allows realistic tactical reload repetitions
• Matches factory specifications for the Umarex Glock 19X Gen 5 .177 airgun

Cons

• Incompatible with standard Gen 3 Glock 19 BB gun frames
• Cannot chamber 6mm plastic airsoft BBs or .177 lead pellets

11

Umarex DSX-45 .177 Caliber BB Gun Air Pistol

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  7.2
• Brand
  Umarex

Key specs3

Power Source

Spring-piston single-action

Onboard BB Storage

13-shot track with 200-shot reservoir

Cocking Mechanism

Single-action spring piston removes the need to buy CO2 capsules, but demands manual cocking before each trigger pull.

Pros & cons43

Pros

• Spring-piston powerplant operates completely independently of CO2 cartridges
• High-capacity reservoir holds 200 BBs with a 13-shot internal feed track
• Lightweight 1-pound construction minimizes arm fatigue during target plinking
• Fixed blade front sight and rear ramp deliver clear target alignment

Cons

• Spring-piston single action requires manual cocking for every single shot
• Non-Glock frame profile does not replicate authentic Glock ergonomics
• Molded polymer build lacks the realistic weight of metal replica slides

Last update on 2026-10-09 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

Does Umarex offer a dedicated Glock 19 Gen 4 replica?

Official catalog listings focus on the Glock 19 Gen3 and Glock 19 Gen 5 platforms rather than a standalone Gen 4 airgun. Shooters seeking handling practice generally choose between the fixed-slide Glock 19 Gen3 .177 BB pistol and blowback options like the Glock 19 Gen 5 MOS 6mm airsoft pistol or the Glock 19X Gen5. If your practice setup requires a specific grip texture or finger groove layout, check the exact generation marked on the frame before buying.

Will a Glock 19 Gen3 BB magazine fit inside a Glock 19X Gen5 frame?

No, magazines do not interchange between the Gen 3 and 19X Gen 5 frames. The Glock 19 Gen3 BB pistol uses a dedicated 15-round .177 caliber stick magazine, whereas the Glock 19X Gen5 BB gun relies on a distinct 18-shot magazine design. Always confirm that the replacement magazine part number matches your specific pistol generation to avoid feeding jams or seating failures.

What is the difference between a .177 steel BB and a 6mm Glock 19 replica?

Caliber dictates your ammunition type, magazine style, and training environment. The Glock 19 Gen3 .177 air pistol fires steel BBs from a 15-round magazine powered by a 12-gram CO2 cartridge, making it well suited for outdoor target practice. In contrast, 6mm variants like the Glock 19 Gen 5 MOS blowback pistol fire plastic BBs. Steel BBs must never be loaded into 6mm barrels or magazines, so always verify the caliber stamped on the slide.

Does the Glock 19X Gen5 air pistol feature realistic slide action?

Yes, the Glock 19X Gen5 .177 BB pistol features functional blowback action paired with a full metal slide. This cycling action creates realistic mechanical movement during each shot, bringing the overall pistol weight to 1.7 pounds. If you want to compare different slide configurations and frame styles, browse our guide to finding a dependable CO2 BB gun for training and plinking.

What CO2 cartridges power these Glock 19 training pistols?

Standard 12-gram CO2 cartridges power these replicas, including the 15-shot Glock 19 Gen3 .177 BB gun. Consistent gas quality is essential to protect the internal seals of your air pistol over years of use. Running clean 12-gram Umarex CO2 cartridges ensures that dirt and debris do not foul the internal valves, keeping your gas delivery consistent across every magazine.

How do magazine capacities compare across Glock 19 airgun models?

Capacities vary directly by caliber and internal mechanism. Among .177 caliber steel BB models, the Glock 19 Gen3 magazine carries 15 rounds, while the Glock 19X Gen5 spare magazine holds 18 shots. For 6mm airsoft setups, the Elite Force Glock 19 gas blowback magazine holds 19 rounds, and the Glock 19X half-blowback magazine holds 14 rounds. Verify both the caliber and frame generation on the packaging so you purchase the proper spare magazine.