Product DescriptionThe Patriot Ordnance Factory Triple Port Muzzle Brake is a black-nitride, heat-treated steel muzzle device designed to control muzzle impulse for improved accuracy and a noticeably softer recoil. Built for .308 Win / 7.62x51mm NATO applications with 5/8x24 threads, this brake features a triple-port design and includes a matching nitride heat-treated collar/locknut plus five strike prongs for added durability and function.Product Highlights Triple-port muzzle brake helps reduce recoil impulse and muzzle movement for better shot-to-shot control Black nitride, heat-treated steel construction for corrosion resistance and long service life 5/8x24 thread pattern for common .308/7.62 rifle barrels Includes nitride heat-treated collar/locknut kit for secure installation Five strike prongs provide added utility and protection at the muzzle endSpecs Brand: Patriot Ordnance Factory Product Type: Muzzle Brake (Triple Port) Caliber Compatibility: .308 Win / 7.62x51mm NATO Thread Pattern: 5/8x24 Material: Steel Finish/Color: Black Nitride Included Components: Nitride heat-treated collar/locknut; five (5) strike prongs Manufacturer Part Number: 00309 UPC: 847313003096Disclaimer: 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.