How to Install a Suppressor Mount on AR15 or AR10 | Palmetto State Armory

Published on December 11, 2024
Duration: 3:48

This guide details the process of installing a suppressor mount, specifically an AAC muzzle brake for the 51T system, on an AR-15 or AR-10. It emphasizes using the correct shims for proper timing, cleaning threads thoroughly, applying threadlocker like Rocksett, and torquing the device to spec. A critical final step involves checking suppressor concentricity with a rod to prevent baffle strikes.

Quick Summary

To install a suppressor mount on an AR-15 or AR-10, use shims for proper timing (1/8-1/4 turn past hand-tight), clean threads with alcohol, apply Rocksett, and torque to spec. Crucially, use a concentricity rod after mounting the suppressor to ensure alignment and prevent baffle strikes.

Chapters

  1. 00:00Introduction and Tools
  2. 00:33Dry Run and Shim Selection
  3. 01:20Cleaning Threads
  4. 02:00Applying Rocksett and Torquing
  5. 02:20Visual Inspection and Alignment
  6. 02:30Suppressor Check: Concentricity
  7. 02:53Key Takeaways and Recap

Frequently Asked Questions

What tools are needed to install a suppressor mount on an AR-15 or AR-10?

You'll need the muzzle device itself, a set of shims, threadlocker like Rocksett or Loctite, alcohol for cleaning, a clean rag, an armor's wrench, and a torque bar. For post-installation checks, a suppressor and a concentricity rod are essential.

How do you ensure proper timing when installing a muzzle device for a suppressor?

Perform a dry run first to see how the device times. Select shims so that the muzzle device tightens to the correct index point, typically within a 1/8 to 1/4 turn past hand-tight, ensuring it aligns correctly.

Why is cleaning the threads important before installing a muzzle device?

Cleaning the barrel and muzzle device threads with alcohol removes debris and carbon buildup. This ensures a clean surface for the threadlocker to adhere to, creating a secure bond and preventing the muzzle device from loosening during use.

What is the purpose of a concentricity rod when installing a suppressor mount?

A concentricity rod is used after installing the muzzle device and threading on the suppressor. It checks if the suppressor's bore is perfectly aligned with the barrel's bore. Proper alignment is crucial to prevent baffle strikes, which can damage the suppressor.

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