How Long is the Barrel on an AR-15?
When it comes to the AR-15, one of the most frequently asked questions is about the length of its barrel. The barrel length plays a significant role in the rifle’s performance, accuracy, and overall effectiveness. In this detailed guide, we will explore the different barrel lengths available for the AR-15, their advantages, and disadvantages.
Standard Barrel Lengths
The standard barrel lengths for an AR-15 typically range from 10.5 inches to 20 inches. Here’s a breakdown of the most common barrel lengths and their characteristics:
| Barrel Length | Weight | Accuracy | Range |
|---|---|---|---|
| 10.5 inches | 2.5 pounds | Good | 100-150 yards |
| 11.5 inches | 2.6 pounds | Excellent | 100-200 yards |
| 14.5 inches | 2.8 pounds | Excellent | 150-300 yards |
| 16 inches | 3 pounds | Excellent | 200-400 yards |
| 18 inches | 3.2 pounds | Excellent | 250-500 yards |
| 20 inches | 3.4 pounds | Excellent | 300-600 yards |
As you can see from the table, the longer the barrel, the heavier the rifle becomes. However, this added weight can lead to better accuracy and increased range. It’s essential to consider your specific needs and preferences when choosing a barrel length for your AR-15.
Barrel Lengths for Specific Applications
Not all barrel lengths are suitable for every application. Here’s a breakdown of the most common barrel lengths and their ideal uses:
| Barrel Length | Ideal Use |
|---|---|
| 10.5 inches | Close Quarters Battle (CQB) |
| 11.5 inches | Carry Concealed, Home Defense |
| 14.5 inches | General Purpose, Hunting |
| 16 inches | Law Enforcement, Home Defense |
| 18 inches | Law Enforcement, Hunting |
| 20 inches | Long-Range Shooting, Competition |
When choosing a barrel length for your AR-15, consider the intended use, your comfort level with the weight, and the desired accuracy and range.
Barrel Length and Caliber
The barrel length also plays a role in the choice of caliber for your AR-15. Here’s a general guideline for barrel length and caliber:
| Barrel Length | Caliber |
|---|---|
| 10.5 inches | 5.56mm |
| 11.5 inches | 5.56
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