The Barrett .30 Cal Muzzle Brake Kit for MRAD, AM338 Compatible (brand part no. 18404) enables the 5/8-24 threaded barrel on a Barrett MRAD to be used with the AM338 suppressor. The kit includes the .30 Cal muzzle brake itself along with a muzzle brake shim kit for proper indexing, Loctite 262 threadlocker to keep it secure under recoil, and a barrel washer. For MRAD owners who want to run an AM338 suppressor on a .30 caliber barrel, this rifle accessory is the mounting solution.

Key Specifications

• Built for .30 caliber MRAD barrels.
• Threaded 5/8-24.
• Enables mounting of the AM338 suppressor.
• Includes the .30 Cal muzzle brake.
• Includes a muzzle brake shim kit for proper indexing.
• Includes Loctite 262 threadlocker.
• Includes a barrel washer.

Frequently Asked Questions

What is included in this kit? The .30 Cal muzzle brake, a muzzle brake shim kit, Loctite 262 threadlocker and a barrel washer.

What does the shim kit do? It properly indexes the muzzle brake so it sits correctly on the barrel before the suppressor is attached.

Buy the Barrett .30 Cal Muzzle Brake Kit for MRAD, AM338 Compatible

Everything needed to properly index and lock down a .30 caliber muzzle brake on an MRAD ships in one kit. Order it from our Lubbock, Texas gun shop and we’ll get it ready as soon as it’s available to ship.