Product Description The Rugged Suppressors M249 Muzzle Device is built to provide a secure, repeatable suppressor mounting interface for compatible Rugged suppressors. Featuring Rugged&&';;s Dual Taper Locking System, this muzzle device is designed for a tight lockup and consistent alignment. It uses 9/16x24 left-hand (LH) threads and a black finish, and it is compatible with Rugged Suppressors Surge762, Razor762, and Micro30 suppressors. Product Highlights Dual Taper Locking System helps deliver a secure, consistent suppressor mount 9/16x24 left-hand (LH) thread pattern for appropriate host compatibility Compatible with Rugged Suppressors Surge762, Razor762, and Micro30 suppressors Durable steel construction with a black/matte black finish Purpose-built Rugged M249 muzzle device design for suppressor mounting applications Specs Brand: Rugged Suppressor Manufacturer Part Number: MD001 UPC: 859383006587 Product Type: Muzzle Device Model: M249 Thread Pattern: 9/16x24 LH (Left-Hand) Mounting System: Dual Taper Locking System Color/Finish: Black (matte black) Material: Steel Compatibility: Rugged Suppressors Surge762, Razor762, Micro30 Weight: 0.5 lb 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.