Product DescriptionThe American Precision Arms Gen 4 Fat Bastard is a self-timing muzzle brake engineered to help shooters achieve a flatter, more controllable rifle under recoil. Built with calibrated U.R.P. tunable top ports designed for maximum adjustment, it allows you to tune gas flow to reduce (and potentially eliminate) vertical movement. With a 5/8x24 thread pattern and steel construction, this brake is designed for 6mm applications and repeatable performance for precision and competitive shooting.Product Highlights Gen 4 calibrated U.R.P. tunable top ports designed for maximum adjustment and flat shooting performance Self-timing design for easier alignment during installation 5/8x24 thread pattern for compatible 6mm rifle setups Durable steel construction for long service life Compact, performance-focused size: 3.30" overall length and 1.10" diameterSpecs Brand: American Precision Arms Model: Gen 4 Fat Bastard (Self Timing) Type: Muzzle Brake Caliber: 6mm Thread Pattern: 5/8x24 Material: Steel Overall Length: 3.30" (OAL) Diameter: 1.10" Weight: 6.4 oz MPN: G4F5860S UPC: 810131791445Disclaimer: 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.