Home General How To Install An Ar15 Muzzle Brake: A Comprehensive Guide

How To Install An Ar15 Muzzle Brake: A Comprehensive Guide

AR15 Muzzle Brake EASY Removal and installation. Troy Medieval Muzzle
AR15 Muzzle Brake EASY Removal and installation. Troy Medieval Muzzle from news.aroutfitting.com


If you’re a gun enthusiast, you understand the importance of having a properly functioning AR15 muzzle brake. A muzzle brake helps reduce recoil and muzzle rise, improving accuracy and overall shooting experience. Whether you’re a seasoned shooter or a beginner, learning how to install a muzzle brake on your AR15 is a valuable skill. In this article, we will provide you with a step-by-step guide on how to install an AR15 muzzle brake effectively and safely.

Step 1: Gather the Required Tools and Equipment

Before you begin the installation process, make sure you have all the necessary tools and equipment. You will need a torque wrench, a vise block, a barrel nut wrench, a crush washer, and the muzzle brake itself. Ensure that you have high-quality tools to ensure a smooth installation process.

Step 2: Unload and Disassemble Your AR15

Prior to any maintenance or modification, it is crucial to unload and disassemble your AR15. Ensure there is no ammunition in the chamber and remove the upper receiver from the lower receiver. This will provide you with easy access to the barrel and make the installation process safer.

Step 3: Secure Your AR15 in a Vise Block

Using a vise block, secure your AR15 in a vise. This will provide stability and prevent any accidental damage to your firearm during the installation process. Make sure the vise is tightened securely, but be cautious not to overtighten and cause any deformation to your AR15.

Step 4: Remove the Existing Muzzle Device

If your AR15 already has a muzzle device installed, you will need to remove it. Use a barrel nut wrench to loosen and remove the existing muzzle device. Apply steady pressure and avoid applying excessive force, as it may damage the barrel or the device.

Step 5: Clean the Barrel Threads

After removing the muzzle device, it’s essential to clean the barrel threads thoroughly. Use a cleaning brush or a patch soaked in a cleaning solvent to remove any dirt, debris, or leftover thread-locking compound. Clean threads will ensure a proper and secure installation of the new muzzle brake.

Step 6: Apply Thread-Locking Compound

To ensure that your muzzle brake stays securely in place, apply a small amount of thread-locking compound to the barrel threads. This compound will prevent the muzzle brake from loosening due to recoil and vibrations. Be cautious not to use excessive amounts, as it may interfere with the installation process.

Step 7: Install the Crush Washer

Next, install the crush washer onto the barrel threads. The crush washer ensures proper alignment of the muzzle brake and allows for easy timing adjustments. Slide the crush washer onto the barrel, making sure it sits flush against the shoulder.

Step 8: Attach the Muzzle Brake

Now it’s time to attach the muzzle brake to your AR15. Thread the muzzle brake onto the barrel, ensuring it aligns properly with the crush washer. Use your hand to tighten it as much as possible without applying excessive force.

Step 9: Timing the Muzzle Brake

Timing the muzzle brake refers to adjusting its position to achieve optimal alignment. To do this, you can use a torque wrench and a barrel nut wrench. Apply the specified torque value recommended by the muzzle brake manufacturer to ensure a secure fit.

Step 10: Reassemble Your AR15

Once the muzzle brake is properly installed and timed, remove the AR15 from the vise block. Reassemble your AR15 by attaching the upper receiver to the lower receiver, ensuring everything is securely fastened. Perform a thorough function check to ensure proper operation.


Installing an AR15 muzzle brake is a straightforward process if you have the right tools and follow the steps carefully. Remember to prioritize safety and consult the manufacturer’s instructions for specific details about your muzzle brake. With proper installation, you can enhance the performance of your AR15 and enjoy a more comfortable shooting experience.