
Stop. Before you grab that wrench and risk marring your barrel, watch this. Removing a muzzle device seems simple until you are dealing with high strength thread lockers or different mounting systems. In this video, we walk you through the official factory recommended process for removing CMMG muzzle devices, from our classic brakes to our latest Plan B suppressor ready mounts.
Whether you are upgrading your build or swapping to a dedicated suppressor, we will show you how to break the bond safely without damaging your threads.
In this video:
The Tool Kit: What you actually need on your workbench.
Legacy Devices: Removing standard CMMG flash hiders and brakes.
The New Plan B Mounts: How to handle permanent thread locker and what to expect during removal.
Pro Tips: Cleaning your threads for the next install.
Note: This guide does not cover Pin and Weld muzzle devices. If your device is pinned and welded, please consult a professional gunsmith to avoid permanent damage to your barrel.
Remember to go to to sign up to be a CMMG Insider for information on all future releases! While there, you can click the home page icon to take you to our website.
Check out our Instagram
Give us a shout on Twitter




Should I take the barrel out of my Banshee to remove the muzzle device?
When will that new muzzle device with the threads be included with the dissent?
Used to work for WPP so I am way used to it (I was one of the guys over in the model shop but did frequently go over to the main shop)
Thanks for sharing this! Should definitely be helpful to folk. Rocset is similar…. water will help loosen it up.
Honestly enjoy hearing that Freedom being pumped out by you guys!
where Do I get this wrench?
Will a Plan B Zeroed Linear Compensator be coming ?
🤘🏽
I'm glad to hear the "factory making factory noises." That's 2A and home-state music to my ears! Carry on CMMG!
“HotLock” sounds a lot like Rocksett. To remove Rocksett, I’ve had the best luck by somehow suspending the barrel above a small ultrasonic cleaner with the muzzle in hot water. I run it for about 45min and it comes off really easily.
Good tips. Using Rocksett I always start with very hot water, and let it sit overnight. I always finish with running an oily patch, then a clean one to prevent any rust in the submerged area of the bore.
Good job on the video
FYI…Anytime one applies any type of liquid to threaded components of something requiring torque specs, readings on a torque gauge will not be accurate. Should just use a locking nut collar like IWI. You can time the devices better and more accurately and to proper specs.