Product Description The Wilson Combat Whisper Rapid-Thread Muzzle Brake is a robust .458 caliber flat-back muzzle brake designed to serve as an efficient suppressor attachment for Wilson Combat Whisper suppressors. Built for barrels with a diameter greater than .775" behind the front threads, it provides a secure mounting interface while helping manage recoil and muzzle rise. The Black Melonite finish enhances durability and corrosion resistance for hard-use shooting environments. Product Highlights .458 caliber flat-back Rapid-Thread muzzle brake for use with Whisper suppressors 11/16x24 thread pattern for compatible .458 barrels Designed for barrels > .775" diameter behind the front threads Black Melonite finish for excellent wear and corrosion resistance Includes shim set and O-ring for installation/alignment Specs Brand: Wilson Combat Series/Compatibility: Whisper (for use with Whisper suppressors) Type: Muzzle Brake / Suppressor Mount Caliber: .458 Thread Pattern: 11/16x24 Finish/Color: Black Melonite Barrel Requirement: > .775" diameter behind the front threads Included: Shim set, O-ring MPN: SPRTMBFB458 UPC: 811826025098 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the products manufacturer.