GLOCK G21 GEN 4
Posted May 14, 2023
The GLOCK G21 GEN 4 .45 ACP is a standout firearm that has earned its place among the greatest of handguns. It has earned praise from experts and been used by some of the most elite law enforcement and military units for years due to its exceptional reliability and accuracy.
The G21 Gen 4 is based on the original G21, which was first introduced in 1990, and it continues the tradition of excellence that Glock has been renowned for throughout its history. The G21 Gen 4 incorporates a number of new features in an effort to enhance its performance and appeal to the modern shooter.
One of the primary enhancements that the G21 Gen 4 offers is the upgrade to an extended magazine capacity. The G21 Gen 4 ships with two 13 round magazines that are substantially longer than the original designs and are also able to hold up to 15 rounds when using a higher capacity magazine. This increased magazine capacity allows the shooter to carry more ammo and effectively increase the capacity of their magazine when compared to the original G21.
In addition to the improved magazine capacity, the G21 Gen 4 also utilizes a wide variety of the many features that make Glock such an iconic brand. The firearm features the standard Glock Safe Action trigger, which requires a shorter travel than traditional double action triggers to fire, making it easier and quicker to accurately fire multiple rounds. The G21 Gen 4 also features adjustable backstraps that allow the user to select the best fit for their individual hand size. This promotes improved accuracy and comfort when using the firearm. Finally, the G21 Gen 4 features a full-length rail for attaching accessories such as lights, lasers, and sights.
The G21 Gen 4 is a well-balanced weapon that is both reliable and accurate. It is capable of shooting groups of .75″ at 25 meters and features smooth, consistent trigger pull. It also features a cold hammer-forged barrel with polygonal rifling that provides excellent accuracy and reliability. The G21 Gen 4 features a polymer frame and slide that provide a lightweight overall construction that allows for easier carry and maneuverability.
As far as accuracy is concerned, the G21 Gen 4 performs exceptionally well for a service-style handgun. It offers excellent ergonomics and is well balanced, making it a pleasure to shoot. It is capable of shooting 1″ groups at 50 yards, making it very accurate for a pistol of its size.
When handling the G21 Gen 4, it is evident that it is a stout weapon that feels solid and robust in the hand. It has a high-quality look and feel and is constructed using the best materials available. The finish is slick and the handgun has minimal play between the slide and the frame, making it a very tight feeling handgun.
The G21 Gen 4 is an entirely reliable firearm. This has been proven after shooting over 10,000 rounds without any malfunctions or stoppages. This dependability makes the G21 Gen 4 one of the most trusted pistols for use by law enforcement and the military.
Overall, the GLOCK G21 Gen 4 sets a high standard for service-style pistols. It is a reliable, accurate, and well-balanced weapon that is capable of shooting tight groups at even further distances. The upgraded magazine capacity and adjustable backstraps make the G21 Gen 4 ideal for those who require a handgun that is both comfortable and durable. It is an excellent choice for anyone looking for a dependable firearm to carry and use on a daily basis.
Pros & Cons
Pros:
- Lightweight and ergonomic design allows for easy and comfortable use
- Extremely reliable and durable - will stand up to hard use
- Simple design makes it easy to use and maintain
- Highly accurate and can handle many different kinds of ammunition
- Accepts aftermarket upgrades such as trigger enhancements and sights
Cons:
- Limited magazine capacity when compared to other models
- Not available for sale in some states due to restrictions on magazines with capacity greater than 10 rounds
- Causing problems in some states as police officers have transitioned to the new model in some jurisdictions.
- Expensive when compared to other handguns in the same caliber.
Who Should Buy
Anyone who is looking for a reliable, durable, and easy-to-use semi-automatic pistol should consider buying the Glock G21 Gen 4. It is designed to operate with a variety of ammunition types, including standard and hollow-point ammunition. It also has a frame that is ergonomically designed to fit comfortably in the hand and that is resistant to weather and other elements.
Those who have never used a firearm, or those who are uncomfortable handling firearms, should not consider buying the Glock G21 Gen 4. This weapon is designed for those who understand the basics of firearm safety, and it should not be used by someone who is unfamiliar with the proper handling and shooting of a firearm.
Comparisons
| Glock G21 Gen 4 | Other Products | ||||
|---|---|---|---|---|---|
| Capacity | 13+1 | Hi-point 45 ACP | 10+1 / Sccy CPX-2 | 10+1 / Ruger SR45 | 10+1 |
| Barrel Length | 4.60 inch | Hi-point 45 ACP | 4.5 inch / Sccy CPX-2 | 3.1 inch / Ruger SR45 | 4.5 inch |
| Trigger Pull | 5.5 - 7.7 lbs | Hi-point 45 ACP | 7.5 lbs / Sccy CPX-2 | 6.5 lbs / Ruger SR45 | 6.4 lbs |
| Overall Length | 8.20 inch | Hi-point 45 ACP | 6.75 inch / Sccy CPX-2 | 6.85 inch / Ruger SR45 | 7.9 inch |
| Sight Radius | 6.02 inch | Hi-point 45 ACP | 5.5 inch / Sccy CPX-2 | 6.4 inch / Ruger SR45 | 6.5 inch |
Features / Specs
-Caliber: .45 ACP
-Capacity: 13+1
-Barrel Length: 4.6"
-Overall Length: 7.59"
-Height: 5.47"
-Width: 1.34"
-Weight (Unloaded): 24.93 oz
-Weight (Loaded): 33.72 oz
-Frame: Polymer
-Slide Finish: Nitride
-Sights: Fixed
-Trigger Pull: ~5.5 lbs
-Trigger Travel: 0.5"
Popular Accessories
- Extra Magazines
- Magazine Speed Loader
- Holster
- Magazine Holder
- Sight Upgrade
- Trigger Guard
- Extended Slide Release
- Laser and/or Light
- Recoil Spring Upgrade
- Grip Enhancements
Accuracy
The GLOCK G21 Gen4 is known to be one of the most dependable and accurate handguns available to the consumer market. It carries the distinction of being one of the most well-made and reliable handguns on the market. The accuracy of the G21 Gen4 can be attributed to its reliable 4.5-mm barrel and ergonomic design. For that reason, it is a favorite amongst professionals. Its greater bore axis helps reduce muzzle flip under rapid fire, making it even more accurate than its predecessors. Accuracy reviews from across the web consistently produce high marks from experienced shooters.
