The Glock 21 Gen4 is a semi-automatic handgun chambered in .45 ACP. It is produced by Glock, a firearms manufacturer based in Austria. The Gen4 designation indicates that it is the fourth generation of the Glock 21 model.

The Glock 21 Gen4 has a polymer frame and a steel slide. It has a 4.6-inch barrel and an overall length of 8.07 inches. It weighs in at around 30.18 oz unloaded. It has a standard magazine capacity of 13 rounds, but can also use higher capacity magazines, such as the Glock 21SF magazine which has a 15 round capacity. The Glock 21 Gen4 is a double-action only (DAO) handgun, meaning that the trigger pull both cocks and releases the hammer to fire the gun.

The Glock 21 Gen4 has a number of features that are common to Glock handguns, such as the Safe Action trigger system, which includes a trigger safety, a firing pin safety, and a drop safety to prevent accidental discharge. The Gen4 version also includes a modular backstrap design that allows the user to customize the grip to their hand size and a dual recoil spring assembly for improved recoil management.

It’s a widely used handgun by law enforcement, civilian, and military. It is known for its reliability, durability, and ease of use.

In addition to its reliability and durability, the Glock 21 Gen4 is also known for its accuracy and ease of maintenance. The barrel and slide are made from high-quality steel, which helps to ensure that the gun stays accurate even after thousands of rounds. The polymer frame is also durable and resistant to impact and extreme temperatures.

The Glock 21 Gen4 also features a Picatinny rail on the frame, which allows the user to attach a variety of accessories, such as lights and lasers. This can be useful for law enforcement and military users, as well as for civilian users who may want to use the gun for home defense or hunting.

In terms of ergonomics, the Glock 21 Gen4 has a comfortable grip and a well-designed trigger. The grip angle is designed to fit the natural point of aim for most shooters, which can help to improve accuracy. The trigger pull is relatively light and has a smooth, consistent trigger travel.

Overall, the Glock 21 Gen4 is a versatile and reliable handgun that is well-suited for a wide range of applications, from personal defense to law enforcement and military use. Its popularity is also due to its aftermarket support and availability of accessories.

Some people may dislike the Glock 21 Gen4 for a variety of reasons. Here are a few possible explanations:

1. Personal preference: Some people may simply prefer other types of handguns or may have had a bad experience with the Glock 21 Gen4 in the past.
2. Aesthetics: Some people may not like the look or feel of the Glock 21 Gen4, or may prefer the look of other handguns on the market.
3. Magazine capacity: The Glock 21 Gen4 has a standard magazine capacity of 13 rounds, which is lower than some other handguns on the market. Some people may prefer handguns with higher magazine capacities.
4. Recoil: The Glock 21 Gen4, being a .45 caliber gun, has a bit more recoil than other smaller caliber handguns, that can be uncomfortable for some people.
5. Price: The Glock 21 Gen4 is considered a high-quality handgun, and as such, it can be relatively expensive compared to some other handguns on the market.

It’s important to note that opinions and preferences regarding firearms can vary greatly, and what one person hates as negative feature another person may see it as an advantage. Ultimately, it’s a matter of personal preference, and it’s always recommended to test fire and handle a gun before making a purchase.

If compare the Glock 21 Gen4 and the Sig Sauer P226 are both high-quality handguns that are popular among law enforcement, military, and civilian shooters. Both guns have their own strengths and weaknesses, and which one is “better” for a particular individual will depend on their specific needs and preferences. Here are a few points that some people may consider as advantages of Glock 21 Gen4 over the Sig Sauer P226:

1. Capacity: The Glock 21 Gen4 has a standard magazine capacity of 13 rounds, while the Sig Sauer P226 typically has a standard capacity of 15 rounds.
2. Size: The Glock 21 Gen4 has a slightly smaller overall size and weight than the Sig Sauer P226, which may make it more comfortable to carry and conceal.
3. Price: The Glock 21 Gen4 is generally considered to be more affordable than the Sig Sauer P226.
4. Maintenance: The Glock 21 Gen4 is known for its ease of maintenance and disassembly, which can be an advantage for some shooters.
5. Recoil management: Glock 21 Gen4 has a dual recoil spring assembly for improved recoil management, and some people might find it more comfortable to shoot than the Sig Sauer P226.

It’s worth noting that some people may consider the Sig Sauer P226 to be superior to the Glock 21 Gen4 in certain areas such as trigger pull, accuracy, or ergonomics. Ultimately, it’s recommended to handle, test fire and compare both firearms before making a decision.

If to compare the Walther PPQ .45 it appears that both high-quality handguns that are popular among law enforcement, military, and civilian shooters. Both guns have their own strengths and weaknesses, and which one is “better” for a particular individual will depend on their specific needs and preferences. Here are a few points that some people may consider as advantages of Glock 21 Gen4 over the Walther PPQ .45:

1. Capacity: The Glock 21 Gen4 has a standard magazine capacity of 13 rounds, while the Walther PPQ .45 typically has a standard capacity of 10 rounds, which can give the Glock a slight advantage in terms of firepower.
2. Reliability: The Glock 21 Gen4 is known for its reliability, durability, and ease of use, which can be an advantage over the Walther PPQ .45, which is known to have some mechanical failure.
3. Recoil management: Glock 21 Gen4 has a dual recoil spring assembly for improved recoil management, which can be an advantage over the Walther PPQ .45, which is a larger caliber handgun with more recoil.
4. Ergonomics: The Glock 21 Gen4 has a comfortable grip and a well-designed trigger, which can be more comfortable to shoot than the Walther PPQ .45.
5. Price: The Glock 21 Gen4 is generally considered to be more affordable than the Walther PPQ .45.

It’s worth noting that the Walther PPQ .45 has its own advantages, such as its smooth trigger, good accuracy, and comfortable grip, which makes it a popular choice for many shooters. Ultimately, it’s recommended to handle, test fire and compare both firearms before making a decision.