FCD - Suppressor Muzzle Device Install - 6315KM

Published on December 5, 2020
Duration: 8:13

This guide details the process of installing a suppressor-ready muzzle device on an AR-15 upper receiver, emphasizing the use of shims for proper timing and Rocksett for secure fastening. It highlights the importance of barrel thread cleanliness, careful shim selection through trial and error, and final alignment checks with a dedicated rod to prevent baffle strikes. The instruction is presented by an individual with practical experience in firearm assembly.

Quick Summary

Install a suppressor muzzle device using shims for precise timing and Rocksett for secure fastening. Clean barrel threads thoroughly, select shims through trial and error, and use a specialized wrench. Finally, verify suppressor alignment with a rod to prevent baffle strikes.

Chapters

  1. 00:00Introduction & Muzzle Device Prep
  2. 00:13Shims vs. Crush Washer for Suppressors
  3. 00:34Gemtech Shims & Barrel Thread Cleaning
  4. 00:53Shim Selection & Timing Process
  5. 01:16Trial and Error with Shim Thickness
  6. 01:55Mounting Barrel & Initial Shim Placement
  7. 02:11Adjusting Shim Thickness for Timing
  8. 02:30Centering Shims & Final Timing Check
  9. 02:55Specialized Wrench for Muzzle Devices
  10. 03:05Applying Rocksett
  11. 03:43Tightening Muzzle Device & Final Timing
  12. 04:02Suppressor Alignment Check
  13. 04:10Importance of Preventing Baffle Strikes
  14. 04:34Using Alignment Rod for Clearance
  15. 04:52Conclusion & Final Thoughts

Frequently Asked Questions

What is the primary method for timing a suppressor muzzle device?

The primary method for timing a suppressor muzzle device involves using shims of varying thicknesses. This allows for precise adjustment to ensure the muzzle device is correctly oriented and securely seated against the barrel shoulder, which is crucial for suppressor alignment and preventing baffle strikes.

Why is it important to clean barrel threads before installing a muzzle device?

Cleaning barrel threads with isopropyl alcohol and ensuring they are dry is vital for a proper installation. This removes debris and oils that could interfere with the torque applied, leading to an inaccurate fit, potential loosening, or even damage to the threads and muzzle device.

What is Rocksett used for in muzzle device installation?

Rocksett is a high-temperature threadlocker used to secure the muzzle device in place after it has been timed and tightened. It prevents the muzzle device from loosening due to the heat and vibrations generated during firing, ensuring a consistent and safe setup.

How do you check for suppressor alignment after installing a muzzle device?

Suppressor alignment is checked using a precision alignment rod inserted through the bore and muzzle device. The rod should have even clearance all around, indicating that the muzzle device is perfectly centered and will not cause a baffle strike when a suppressor is attached.

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