Glock 21 Barrel Length: Important Feature for a .45 ACP Buff

The Glock 21 would probably be the number one choice among gun owners who admire power calibers, for example, the .45 ACP. One of the most noted characteristics of this handgun is its barrel length; that is, the critical role it plays in the firearm’s performance and accuracy. This article is all about barrel lengths, including their effects on power and their appeal to Glock .45 ACP specs users.
What is the Barrel Length of the Glock 21?
The Glock 21 has a barrel length of 4.61 inches. A barrel of such lengths is called a medium-length barrel; it does well in balancing power and control. The length of the barrel is rather long; thus, it can give better accuracy for shooting. Ideal for various uses, such as home defense and range shooting.
How Does Barrel Length Affect Power?
The velocity of projectiles that fly through the Glock 21 barrel is determined by the length of that barrel. As the powder in the cartridge burns more thoroughly, the more complete and higher the velocity the bullet will be. This means that for Glock 21 users, better ballistics cause the .45 ACP round to hit harder, delivering more energy at longer ranges.
Although the barrel of the Glock 21 is not the longest among all handguns. It provides just the right amount of length to give it sufficient power to be used seriously without making it unwieldy.

Is the Glock 21 Good for Home Defense?
The reversed advantage from self-defense use with a .45 ACP caliber is its slightly more tolerable recoil in the Glock 21. It is quite suitable for home protection. The barrel length of the Glock 21 makes accuracy and efficiency in tight spaces possible, so if the need arises, it would also be fast and precise.
Why Do Shooters Prefer the Glock 21 at the Range?
Glock 21 features include the stability of grip, smooth recoil, and a barrel length of 4.61 inches; all these combined make the Glock 21 a preferable option for shooting in ranges. The barrel facilitates controlled shooting which, coupled with the follow-up shots, gives a lot of fun and effectiveness for target practice.
The Glock 21 specifications
- Caliber: .45 ACP
- Weight: 28.51 oz (unloaded)
- Barrel Length: 4.61 inches
- Magazine Capacity: 13+1 rounds
Conclusion
Is it any wonder that the Glock 21 is still the first choice among heavy-caliber enthusiasts? The 4.61-inch barrel of the Glock 21 strikes an ideal compromise between power and performance and has made the handgun a darling of .45 ACP users. It’s a trusted gun for home defense or range use, delivering exceptional accuracy and dependable explosive power in addition to ease of operation.
For a comprehensive look of this firearm and other Glock models, read blogs on Glock Mastery.