Product Description The Rugged Suppressors MB025 3-Port Brake is built to help reduce recoil when shooting unsuppressed on .338 caliber (8.6mm) and 8.6 Blackout platforms. It features Rugged&&';;s Dual Taper Locking System for a secure, repeatable interface and is designed to fit the Rugged Universal Mount (R.U.M.) system. This brake is compatible with Rugged Alaskan360 and Alaskan360Ti suppressor setups, and timing shims are included for proper installation. Product Highlights 3-port muzzle brake engineered to reduce recoil and muzzle movement on .338 / 8.6mm rifles Dual Taper Locking System helps deliver consistent alignment and secure lockup 3/4"-24 TPI thread pitch for compatible .338/8.6 threaded muzzles Fits Rugged Universal Mount (R.U.M.) and works with Alaskan360 / Alaskan360Ti compatibility Includes timing shims to aid correct timing and installation Specs Brand: RUGGED SUPPRESSOR Model: 3 Port Brake Type: Muzzle Brake (3-Port) Caliber Compatibility: .338 caliber (8.6mm) / 8.6 Blackout Thread Pitch: 3/4"-24 TPI Mount Compatibility: Fits R.U.M. (Rugged Universal Mount) Suppressor Compatibility (per provided data): Rugged Alaskan360, Alaskan360Ti; can be used with 1.375x24 threaded suppressors when paired with R.U.M. Material: Steel Color/Finish: Black Included: Timing shims Weight: 2.80 oz MPN: MB025 UPC: 850044499168 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 product&&';;s manufacturer.