The 5.56 caliber flat back Rapid-Thread Muzzle Brake is a robust and efficient suppressor attachment for Wilson Combat Whisper suppressor on barrels with a diameter greater than .775" behind the front threads.

Features :

• "1/2"x28"
• 24mm x 1.5 External thread pitch
• Black Melonite Finish
• Reduces recoil and muzzle rise effectively
• ,Fits barrels with a diameter above .775" behind the front threads,
• Includes complete shim set and O-ring specifically designed to work in conjunction with Whisper Suppressors