How To Replace An AR-15 Rifle Muzzle Device (Brake, Comp, Flash Hider) HD

Published on January 22, 2013
Duration: 3:13

This guide details the expert-level process for replacing an AR-15 muzzle device, including brakes, compensators, and flash hiders. It emphasizes proper tool usage, crush washer orientation, and a specific torquing technique to ensure correct alignment and prevent binding. Instruction is provided by Mrgunsngear Channel, demonstrating expert knowledge in firearm modification.

Quick Summary

To properly install an AR-15 muzzle device, secure the upper receiver in a vise, remove the old device, hand-tighten the new one, and use a specific torquing technique: turn no more than a quarter turn, then back off, repeating until aligned to prevent crush washer binding. Ensure the crush washer's narrow end faces the shooter.

Chapters

  1. 00:12Video Introduction: AR-15 Muzzle Device Installation
  2. 00:20Removing Old Muzzle Device (A2 Flash Hider)
  3. 00:52Installing New Muzzle Device (Manticore NightBrake)
  4. 01:15Proper Torque Procedure for Muzzle Devices
  5. 02:44Final Installation & Summary of Muzzle Device Replacement

Frequently Asked Questions

What tools are needed to replace an AR-15 muzzle device?

You will need an AR-15 upper receiver vise mount to secure the firearm and an AR armorer's wrench to remove and install the muzzle device. Manufacturer-specific instructions for the new device are also essential.

How do I ensure my AR-15 muzzle device is installed correctly?

Proper installation involves hand-tightening the device, consulting manufacturer alignment instructions, and using a specific torquing technique: turn no more than a quarter turn, then back off, repeating until aligned and snug to prevent crush washer binding.

What is the correct orientation for an AR-15 crush washer?

When installing a muzzle device with a crush washer, the narrow end of the washer should always face the shooter. This orientation is critical for proper function and alignment of the muzzle device.

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