What Buffer Tube Do I Need for My AR-15? Expert Guide & Tips

Choosing the right buffer tube for your AR-15 is crucial for ensuring optimal performance and comfort. The buffer tube, also known as the AR15 stock tube, plays a vital role in the overall function of your rifle, affecting everything from recoil management to stock compatibility. In this guide, we’ll walk you through everything you need to know about AR15 buffer tubes, helping you make an informed decision for your firearm.

What is an AR15 Buffer Tube?

An AR15 buffer tube is a cylindrical component attached to the lower receiver of an AR-15 rifle. It houses the buffer and buffer spring, which are essential for the rifle’s recoil management and cycling process. Buffer tubes come in two main types: mil-spec and commercial-spec, each with its own specifications and compatible stocks.

How Do I Choose the Right Buffer Tube?

Selecting the right buffer tube for your AR-15 involves considering several factors to ensure compatibility and performance. Here’s what you need to know:

1. Mil-Spec vs. Commercial-Spec

• Mil-Spec Buffer Tubes: These tubes have a diameter of approximately 1.14 inches and are made to military specifications, offering tighter tolerances and compatibility with mil-spec stocks.
• Commercial-Spec Buffer Tubes: These tubes have a slightly larger diameter, around 1.17 inches, and often feature a slanted back end. They are designed for commercial stocks, which are generally less expensive and more widely available.

2. Material and Durability

• Aluminum: Most AR15 buffer tubes are made from aircraft-grade aluminum due to its strength, lightweight properties, and resistance to corrosion.
• Finish: Look for tubes with anodized or other corrosion-resistant coatings to enhance durability and longevity.

3. Compatibility with Stocks

• Ensure the buffer tube is compatible with your chosen stock type. Matching mil-spec tubes with mil-spec stocks and commercial-spec tubes with commercial stocks is essential for proper fit and function.

4. Adjustable vs. Fixed Length

• Adjustable Buffer Tubes: These allow you to customize the length of pull, providing greater flexibility and comfort based on your shooting style and body size.
• Fixed Buffer Tubes: These are generally simpler and more robust, offering a fixed length of pull.

5. Additional Features

• Some buffer tubes come with additional features such as anti-tilt mechanisms, QD sling attachment points, or foam padding for added comfort.

Benefits of Choosing the Right Buffer Tube

• Enhanced Stability: A well-chosen buffer tube provides maximum stability, ensuring consistent performance with every shot.
• Recoil Reduction: Proper buffer tubes help reduce recoil, improving control and accuracy.
• Improved Comfort: Adjustable tubes allow for a customized fit, enhancing overall shooting comfort.
• Durability: High-quality materials and finishes ensure your buffer tube withstands regular use and harsh conditions.

Common Questions About AR15 Buffer Tubes

Are all AR-15 buffer tubes the same size? No, AR-15 buffer tubes come in two main sizes: mil-spec and commercial-spec. Mil-spec tubes have a smaller diameter and tighter tolerances, while commercial-spec tubes are slightly larger.

Can I install the buffer tube myself? Yes, installing a buffer tube is a straightforward process that can be done with basic tools. However, if you’re not comfortable, seek assistance from a professional gunsmith.

What materials are AR15 buffer tubes made from? Most buffer tubes are made from aircraft-grade aluminum for strength, lightweight properties, and corrosion resistance.

Do buffer tubes come with the buffer and spring included? It depends on the product. Some buffer tubes are sold as complete kits, including the buffer and spring, while others are standalone components.

Are AR15 buffer tubes compatible with aftermarket stocks? Yes, many buffer tubes are designed to be compatible with a wide range of aftermarket stocks. Ensure the specifications of the tube and stock match for proper fit.

Conclusion

Choosing the right buffer tube for your AR-15 is essential for enhancing performance, comfort, and overall shooting experience. By understanding the differences between mil-spec and commercial-spec tubes, considering material and durability, and ensuring compatibility with your stock, you can make an informed decision that meets your needs. At Mounts Plus, we offer a wide selection of high-quality AR15 buffer tubes and AR15 stock tubes to help you get the most out of your rifle.

Upgrade your AR-15 today with our premium buffer tubes – shop now!