The Glock 21 is a semi-automatic pistol that is known for its high magazine capacity, remarkable accuracy, and recoil. It is chambered for the .45 Auto round, which is a popular choice for law enforcement and self-defense purposes. The Glock 21 has a modular back strap system, a reversible magazine catch, and a 117 mm barrel length. These features make it a versatile and customizable firearm that can be tailored to fit the needs of the shooter.

The Glock 21 is available in several variations, including the Gen3, Gen4, and Short Frame models. Each model has its own unique features and benefits. For example, the Gen4 model has a soft recoil spring assembly and a modular back-strap system, which makes it easy to shoot and customize. The Short Frame model is designed for shooters with smaller hands and features a reduced grip circumference.

Overall, the Glock 21 is a reliable and accurate firearm that is suitable for a wide range of shooting applications. Whether you are a law enforcement officer, a competitive shooter, or a civilian gun enthusiast, the Glock 21 is a firearm that you should consider adding to your collection.

Key Takeaways

• The Glock 21 is a versatile and customizable firearm that is chambered for the .45 Auto round.
• The Glock 21 is available in several variations, including the Gen3, Gen4, and Short Frame models, each with unique features and benefits.
• The Glock 21 is a reliable and accurate firearm that is suitable for a wide range of shooting applications.

Overview of Glock 21

The Glock 21 is a full-sized pistol that has been a popular choice among law enforcement officers and civilians alike. It is chambered in the .45 Auto caliber, which is known for its stopping power and reliability. The Glock 21 has been praised for its accuracy, ease of use, and low recoil.

Design and Features

The Glock 21 has a double-stack magazine that can hold up to 13 rounds, making it an ideal choice for those who require a high-capacity firearm. It has a polymer frame that is both lightweight and durable, and it features a Gen4 system that allows for customizable grip options to accommodate different hand sizes.

The pistol has a low bore axis, which helps to reduce recoil and improve accuracy. It also has a trigger safety, which ensures that the gun will not fire unless the trigger is pulled. The Glock 21 has a fixed front sight and an adjustable rear sight, allowing for quick and easy target acquisition.

Glock 21 Gen4 vs Gen5

The Glock 21 Gen4 and Gen5 are both excellent choices for those looking for a reliable and accurate pistol. The Gen4 system allows for customizable grip options, while the Gen5 features an improved trigger pull and an ambidextrous slide stop.

Both models have a double-stack magazine that can hold up to 13 rounds, and they both feature a low bore axis and a trigger safety. The Gen5 also has a flared magwell, which makes it easier to reload quickly.

Overall, the Glock 21 is a reliable and accurate pistol that is well-suited for both law enforcement and civilian use. Its high-capacity magazine and low recoil make it an ideal choice for those who require a powerful and easy-to-use firearm.

Technical Specifications

Barrel and Slide Dimensions

The Glock 21 is a full-sized pistol that features a 4.6-inch barrel length. The slide length, on the other hand, measures about 7.59 inches. The slide width is approximately 1.27 inches, which makes it easy to handle and operate.

Weight and Size Metrics

The Glock 21 is a relatively heavy pistol, weighing in at 26.28 ounces. This weight is due to its large size and the materials used in its construction. The overall length of the pistol is 8.22 inches, while the overall width is 1.27 inches. This makes it easy to handle and maneuver, even for those with smaller hands.

Magazine Details

The Glock 21 has a magazine capacity of 13 rounds, which is standard for a full-sized .45 ACP pistol. The magazine is made of durable polymer and is easy to load and unload. The length of the pistol with the magazine inserted is 8.07 inches, while the width is 1.27 inches.

Overall, the Glock 21 is a reliable and powerful pistol that is suitable for a variety of applications. Its technical specifications make it easy to handle and operate, even for those with less experience with firearms.

Shooting Performance

Accuracy and Recoil

The Glock 21 is known for its accuracy and manageable recoil. The .45 ACP round is a potent cartridge, but the Glock 21's design helps to mitigate felt recoil. The beavertail backstraps provide a comfortable grip and help to reduce muzzle flip during shooting. The trigger distance is also adjustable, allowing for a more personalized shooting experience.

In terms of accuracy, the Glock 21 is a reliable performer. The pistol's barrel is rifled, which helps to stabilize the bullet during flight and improve accuracy. The sights are easy to acquire, and the pistol's ergonomics make it easy to maintain a steady aim. Overall, the Glock 21 is a dependable choice for shooters who prioritize accuracy and recoil management.

Handling and Ergonomics

The Glock 21's handling and ergonomics are designed with the shooter in mind. The pistol's grip angle is comfortable and natural, and the beavertail backstraps provide a secure grip. The trigger distance is adjustable, which allows for a more personalized shooting experience. Additionally, the pistol's low bore axis helps to reduce muzzle flip during shooting.

The Glock 21's design also makes it easy to handle and maintain. The pistol's frame is made from durable polymer, which is resistant to wear and corrosion. The pistol's slide is also easy to manipulate, which makes it easy to load and unload. Overall, the Glock 21 is a user-friendly pistol that is well-suited for a variety of shooting applications.

Safety and Reliability

Built-In Safety Features

The Glock 21 is a reliable and safe firearm that features several built-in safety features. One of the most notable safety features is the trigger safety, which prevents accidental discharges. The trigger safety is designed to prevent the trigger from being pulled unless it is fully depressed. This feature helps to prevent accidental discharges and ensures that the gun is only fired when the shooter intends to do so.

Another safety feature of the Glock 21 is the firing pin safety. This safety feature prevents the firing pin from striking the primer of the cartridge unless the trigger is fully depressed. This feature helps to prevent accidental discharges and ensures that the gun is only fired when the shooter intends to do so.

The Glock 21 also features a drop safety, which prevents the gun from firing if it is dropped. This safety feature ensures that the gun will not discharge if it is accidentally dropped and helps to prevent injuries.

Overall, the Glock 21 is a reliable and safe firearm that is trusted by law enforcement and civilians alike. Its built-in safety features help to protect the shooter and ensure that the gun is only fired when intended.

Ammunition Compatibility

The Glock 21 is a .45 ACP caliber handgun, which means it is designed to use .45 auto rounds. The .45 ACP is a popular cartridge that has been in use for over a century. It is a powerful round that is known for its stopping power and accuracy.

.45 ACP Usage

The Glock 21 is designed to use .45 ACP ammunition, and it is essential to use the correct ammunition for the gun to function correctly. While some other calibers can be used in the Glock 21 with the help of conversion kits, it is not recommended to use anything other than .45 ACP ammunition in this gun.

The .45 ACP cartridge is a large, rimless round that is commonly used in self-defense and law enforcement. It has a bullet diameter of .451 inches and a case length of .898 inches. The cartridge is known for its accuracy and stopping power, making it a popular choice for those who want a reliable and effective self-defense round.

In conclusion, the Glock 21 is a .45 ACP caliber handgun that is designed to use .45 auto rounds. It is essential to use the correct ammunition for the gun to function correctly and safely. The .45 ACP cartridge is a popular choice for self-defense and law enforcement due to its accuracy and stopping power.

Customization and Accessories

The Glock 21 is a highly customizable firearm with a wide range of aftermarket accessories available. In this section, we will explore some of the most popular options for customizing and accessorizing your Glock 21.

Aftermarket Accessories

One of the most popular ways to customize a Glock 21 is by adding aftermarket accessories. These accessories can range from simple upgrades like extended magazine releases and slide stops to more complex modifications like custom slides and barrels.

One great source for Glock accessories is GlockStore.com. They offer a wide range of parts and accessories for the Glock 21, including custom slides, barrels, and magazines. They also have a custom Glock gallery where you can design the custom Glock of your dreams.

Another great source for Glock accessories is Zev Technologies. They offer a variety of parts for the Glock 21, including slides, triggers, barrels, and frame parts. Their products are known for their quality and reliability, making them a popular choice among Glock enthusiasts.

Reversible Magazine Catch and Backstraps

The Glock 21 comes with a standard magazine catch and backstrap, but these can be easily replaced with aftermarket options. One popular option is the reversible magazine catch, which allows the shooter to switch the magazine release from the left to the right side of the gun. This can be particularly useful for left-handed shooters or for those who prefer to use their index finger to release the magazine.

Another popular option is the beavertail backstrap, which adds a raised portion to the back of the grip. This can help to improve the shooter's grip on the gun and reduce recoil. It can also be more comfortable for shooters with larger hands.

Overall, the Glock 21 is a highly customizable firearm with a wide range of aftermarket accessories available. Whether you're looking to upgrade your trigger, add custom sights, or simply improve your grip, there are plenty of options available to help you get the most out of your Glock 21.

Ownership Experience

Purchasing Considerations

When considering purchasing a Glock 21, there are a few things to keep in mind. First, the buyer should check their local laws and regulations to ensure they are legally allowed to own a firearm. Second, they should consider their intended use for the gun. The Glock 21 is a full-sized pistol and may not be ideal for concealed carry. It is better suited for home defense or range use.

Another factor to consider is the cost. The Glock 21 is not a cheap firearm, and buyers should be prepared to spend a significant amount of money. However, the cost is justified by the gun's reliability, durability, and accuracy.

Maintenance and Care

The Glock 21 is known for its reliability, but proper maintenance and care are still essential to ensure the gun functions properly. The owner should clean the gun after each use and perform regular maintenance checks to ensure all parts are in good working order.

The gun's manual provides detailed instructions on how to disassemble and clean the gun. The owner should follow these instructions carefully to avoid damaging the gun or its parts.

Training and Practice

Owning a Glock 21 requires proper training and practice to use it safely and effectively. The owner should take a firearms safety course and practice regularly at a shooting range.

It is also important to use the correct ammunition for the gun. Using the wrong ammunition can damage the gun or cause it to malfunction. The owner should always check the gun's manual or consult with a firearms expert to ensure they are using the correct ammunition.

In summary, owning a Glock 21 requires careful consideration, proper maintenance, and regular training and practice. With these factors in mind, the owner can enjoy a reliable, accurate, and durable firearm.

Frequently Asked Questions

What are the differences between Glock 21 and Glock 19 models?

Glock 21 and Glock 19 are two different models of Glock pistols. The Glock 21 is a full-sized .45 ACP pistol, while the Glock 19 is a compact 9mm pistol. The Glock 21 is larger, heavier, and has a larger magazine capacity than the Glock 19. The Glock 19 is more compact and easier to conceal, making it a popular choice for concealed carry.

Which Glock models are commonly used by law enforcement agencies?

Glock pistols are widely used by law enforcement agencies around the world. The Glock 17, Glock 19, and Glock 21 are among the most commonly used models. The Glock 21 is particularly popular among law enforcement agencies due to its reliability and stopping power.

What are some recommended accessories for a Glock 21?

There are many accessories available for Glock pistols, including the Glock 21. Some popular accessories for the Glock 21 include night sights, extended magazines, and holsters. It is important to choose accessories that are compatible with the Glock 21 and that meet your specific needs.

How does the Glock 21 compare to the Glock 17?

The Glock 21 and Glock 17 are two different models of Glock pistols. The Glock 21 is a full-sized .45 ACP pistol, while the Glock 17 is a compact 9mm pistol. The Glock 21 is larger, heavier, and has a larger magazine capacity than the Glock 17. The Glock 17 is more compact and easier to conceal, making it a popular choice for concealed carry.

What is the magazine capacity of a Glock 21?

The magazine capacity of a Glock 21 is 13 rounds of .45 ACP ammunition. This makes it one of the highest capacity .45 ACP pistols on the market.

When was the Glock 21 Gen 5 released and what are its features?

The Glock 21 Gen 5 was released in 2022. It features a new breach face cut that addresses some of the issues with the Gen 4 model, as well as a new extractor and springs. The Gen 5 model also has an improved trigger and a reversible magazine release. Overall, the Glock 21 Gen 5 is a reliable and accurate pistol that is well-suited for self-defense and law enforcement use.