Umarex Glock 17 Gen 4 Review: Unleashing the Power in Your Hands

When you’re in search of a reliable airsoft sidearm, the Umarex Glock 17 Gen 4 should be on your radar. As an authentic replica of the popular Glock 17 pistol, this CO2-powered airsoft gun offers a realistic shooting experience with impressive performance. In this review guide, we’ll delve into this airsoft weapon’s key features and benefits to help you determine if it’s the right choice for you.

The Glock 17 Gen 4 by Umarex boasts several notable qualities, such as its full-metal slide and adjustable hop-up system. These features enable you to enjoy greater accuracy and  satisfying, snappy blowback action. Additionally, its polymer frame ensures durability while providing a comfortable, ergonomic grip for the user.

As you explore the world of airsoft, having a sidearm you can rely on is crucial. With its attention to detail, functionality, and performance, the Umarex Glock 17 Gen 4 is well worth considering for your loadout. In the following sections, we’ll further discuss its specifications, pros and cons, and how it compares to other airsoft pistols on the market.

Umarex Glock 17 Gen 4 Overview

Iconic and Realistic Replica

The Umarex Glock 17 Gen 4 is an authentic and high-quality replica of the iconic Glock 17 Gen 4. It boasts the same aesthetics and dimensions, ensuring you can experience the thrill of handling a real Glock while practicing your shooting skills.

CO2-Powered BB Gun

This airsoft pistol is CO2-powered, providing a semi-automatic firing mechanism for efficient and realistic shooting. The CO2 propulsion also allows for consistent muzzle velocities and higher accuracy.

Notable Features

Some of the key features of the Umarex Glock 17 Gen 4 include:

  • Blowback action: This adds to the realism and provides the familiar recoil when shooting.
  • Metal slide: Enhances durability and produces a more authentic feel.
  • Adjustable hop-up: This allows you to fine-tune the BB trajectory for improved accuracy.

In summary, the Umarex Glock 17 Gen 4 delivers on its promise as a realistic, functional, and impressive replica of the iconic Glock 17. With its range of notable features and ability to satisfy airsoft enthusiasts or those seeking a quality, non-lethal option for personal protection, this CO2-powered airsoft pistol deserves your consideration.

Build and Design

Slide and Barrel

The Umarex Glock 17 Gen 4 features a high-quality metal slide that offers a realistic feel and solid performance. The barrel is made from precision-engineered stainless steel, ensuring durability and accuracy. You’ll appreciate the smooth operation when cycling the slide and firing rounds downrange.

Frame and Magazine Release

The polymer frame is lightweight and comfortable in your hand, providing an excellent grip. It replicates the authentic Glock texture and even includes finger grooves for enhanced control. The magazine release is located conveniently, allowing for easy and quick changes during gameplay.

Sights and Serial Number

Equipped with standard Glock-style sights, you’ll find obtaining a clear sight picture and maintaining accuracy a breeze. The distinct white-dot front sight and white-bracket rear sight will help you stay on target. Additionally, each Umarex Glock 17 Gen 4 comes with a unique serial number on the frame, adding to its authenticity and collectibility.


Remember, the key to a successful airsoft experience is a well-built and thoughtfully designed weapon, and the Umarex Glock 17 Gen 4 fits the bill.

Performance and Accuracy

Ammo and Magazine

The Umarex Glock 17 Gen 4 provides consistent shot placement and compatibility with different ammo. The CO2-powered 18-round magazine adds to the authentic feel, and you can easily swap CO2 cartridges when needed. Choose High-Quality Steel BBs for increased accuracy and minimal jamming.

Trigger and Function

Your Glock 17 Gen 4 has a responsive trigger that offers a smooth and realistic pull. This feature contributes to both improved accuracy and enhanced user experience. Experience the impressive blowback action that mimics the real firearm’s function, providing an authentic shooting experience.

Realism and Steel BBs

You’ll appreciate how closely the Umarex Glock 17 Gen 4 replicates the details of the original firearm. The polymer frame and metal slide have a realistic look and feel, and you’ll experience the same field-stripping process to reach the internals for maintenance or adjustments.

When using Steel BBs, keep in mind the following:

  • They provide increased speed and power, enhancing your accuracy.
  • Watch out for ricochet potential; use proper safety measures.
  • Always use .177 caliber steel BBs, as this is the recommended size for the Umarex Glock 17 Gen 4.

Remember to keep things concise and to the point, and always practice safe shooting.

Training and Shooting

Military and Law Enforcement

Training with the Umarex Glock 17 Gen 4 provides a realistic experience for military and law enforcement personnel. It simulates the weight, feel, and function of a real Glock 17, making it ideal for improving handling and accuracy. The blowback action adds to the authenticity of the training experience.

Experienced Shooters and 9mm Users

As an experienced shooter, you’ll appreciate the airsoft Glock’s faithful reproduction of the real thing. Its trigger pull, grip, and balance closely mimic the 9mm Glock 17, allowing you to practice your fundamentals and hone your skills. Using the Umarex Glock 17 Gen 4 as a training tool can help enhance your shooting abilities.

Backyard and Target Practice

Whether shooting in your backyard or at a range, the Umarex Glock 17 Gen 4 offers an engaging target practice experience. The adjustable hop-up lets you fine-tune your accuracy and shoot at various distances. Its gas blowback system provides a satisfying shooting experience with every pull of the trigger. Here are some practice ideas:

  • Target Variety: Invite a friendly competition using different targets like cans, paper, or reactive targets designed for airsoft guns.
  • Shooting Drills: Mix up your target practice by incorporating drills that test your speed, accuracy, and decision-making.
  • Safety Measures: Remember basic safety rules even while practicing in your backyard, such as wearing eye protection and pointing your airsoft gun in a safe direction.

Accessories and Customization

Laser and Optics

When it comes to lasers and optics for your Umarex Glock 17 Gen 4, you have a variety of options. You can choose from red or green lasers that easily attach to the accessory rail, providing increased accuracy during airsoft skirmishes. Additionally, many affordable optics available, including mini red dot sights, will give you an edge in quick target acquisition.

Holsters and Slides

Holsters for your Umarex Glock 17 Gen 4 come in a wide range of styles and materials, allowing you to pick the best one for your airsoft needs. You’ll find a comfortable and secure fit for your sidearm, from drop-leg holsters to paddle holsters and more.

In terms of slides, you can find customized versions made from various materials like aluminum or CNC steel, adding both durability and a unique look to your airsoft pistol.

Additional Sites and Magazines

Your Umarex Glock 17 Gen 4 can also benefit from other aftermarket sights. Some popular options include fiber optic sights and night sights, which can help you easily acquire targets in various lighting conditions. Don’t forget about extra magazines – having spare ones increases your ammo capacity and minimizes downtime during a game.

Stick with branded Umarex Glock magazines for the best compatibility and performance.

  • Laser Options: Red or green lasers
  • Optics: Mini red dot sights
  • Holster Styles: Drop-leg, paddle, and more
  • Slide Materials: Aluminum, CNC steel
  • Aftermarket Sights: Fiber optic, night sights
  • Magazines: Branded Umarex Glock magazines


The Umarex Glock 17 Gen 4 offers impressive accuracy and reliable blowback action for a realistic shooting experience. The gas efficiency allows for extended play, adding to its appeal in the airsoft community.

With a solid construction, authentic trademarks, and a comfortable grip, this airsoft pistol closely mimics the real Glock 17 Gen 4. Its metal slide and polymer frame provide durability, making it a lasting choice for your games.

The gun boasts an integrated accessory rail to customize your setup with lights, lasers, or other attachments. Plus, its green gas compatibility ensures ease of use in various environments.

  • Accurate
  • Reliable blowback action
  • Comfortable grip
  • Durable build
  • Green gas compatible

In conclusion, the Umarex Glock 17 Gen 4 is an excellent choice for airsoft enthusiasts looking for a reliable, accurate, and realistic sidearm. This pistol will enhance your gameplay and provide an enjoyable shooting experience.

Frequently Asked Questions

Q. How does the Umarex Glock 17 Gen 4 compare to its real counterpart in terms of weight and feel?

Umarex’s Glock 17 Gen 4 is a spot-on replica of the real firearm in terms of weight and feel. This airsoft pistol has an authentic feel, allowing you to train and transition between the two platforms easily.

Q. Can I use green gas or CO2 in the Glock 17 Gen 4?

Yes, you can choose between green gas and CO2 versions of the Umarex Glock 17 Gen 4. Both versions have different benefits – Green gas offers a more consistent velocity, while CO2 provides higher power.

Q. What type of trigger does the Umarex Glock 17 Gen 4 have?

The Umarex Glock 17 Gen 4 features a realistic Safe Action trigger system, similar to the real Glock. The trigger pull is smooth and consistent, offering a highly satisfying shooting experience.

Q. Are the aftermarket parts and accessories compatible with  Umarex Glock 17 Gen 4?

Yes, many aftermarket parts and accessories are compatible with the Umarex Glock 17 Gen 4. From custom slides to upgraded triggers, you can easily customize your Airsoft Glock to suit your preferences.

Q. Is the hop-up adjustable on the Umarex Glock 17 Gen 4?

The hop-up on the Umarex Glock 17 Gen 4 is indeed adjustable. Using the provided hop-up adjustment tool, you can easily fine-tune the hop-up to achieve the ideal trajectory for your 6mm BBs.

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