20 Inch AR Upper: A Comprehensive Guide for Enthusiasts

Are you looking to enhance your AR-15 rifle with a 20-inch upper receiver? If so, you’ve come to the right place. In this detailed guide, we’ll delve into the various aspects of a 20-inch AR upper, including its benefits, features, and how to choose the right one for your needs.

Understanding the 20-Inch AR Upper

The 20-inch AR upper receiver is a popular choice among firearm enthusiasts due to its versatility and performance. Unlike the standard 16-inch barrel, the 20-inch barrel offers a longer range and improved ballistics. This makes it an excellent choice for those who engage in long-range shooting or hunting.

One of the key advantages of a 20-inch AR upper is its ability to handle higher-velocity rounds. This is particularly beneficial for those who use their rifles for hunting larger game or engaging in competitive shooting events.

Benefits of a 20-Inch AR Upper

Here are some of the key benefits of choosing a 20-inch AR upper receiver:

• Increased Range: The longer barrel allows for better ballistics and improved accuracy at longer distances.

• Higher Velocity: The 20-inch barrel can handle higher-velocity rounds, making it suitable for hunting larger game or competitive shooting.

• Improved Ballistics: The longer barrel provides a more consistent bullet trajectory, resulting in better accuracy.

• Customization: 20-inch AR uppers offer a wide range of options for customization, including different calibers, barrel twists, and handguards.

Choosing the Right 20-Inch AR Upper

When selecting a 20-inch AR upper, there are several factors to consider:

Caliber

The caliber of your 20-inch AR upper is one of the most important considerations. Common calibers include 5.56 NATO, .223 Remington, and 6.5 Grendel. Each caliber has its own advantages and disadvantages, so choose the one that best suits your needs.

Barrel Twist Rate

The barrel twist rate determines how well the bullet stabilizes during flight. A higher twist rate is typically required for heavier bullets, while a lower twist rate is suitable for lighter bullets. Be sure to choose a barrel twist rate that matches the weight of your chosen ammunition.

Barrel Material

Barrel materials can vary, with the most common options being stainless steel and carbon steel. Stainless steel barrels are known for their durability and resistance to corrosion, while carbon steel barrels are lighter and often more affordable.

Handguard

The handguard is an important component of your 20-inch AR upper, as it affects the rifle’s overall balance and ergonomics. There are many different handguard options available, including M-LOK, Keymod, and traditional rail systems. Choose a handguard that suits your preferences and the accessories you plan to use.

Table: Comparison of 20-Inch AR Upper Receivers

Installation and Maintenance

Once you’ve chosen your 20-inch AR upper, it’s important to understand how to install and maintain it properly. Here are some key points to keep in mind: