Palmetto State Armory is your source for AR-15 parts and accessories, including a vast selection of AR-15 muzzle accessories from your favorite brands like Advanced Armament!

Engineered to reduce recoil and increase shot accuracy, the highly efficient AAC Blackout 51T Muzzle Brake features a fast-attach 51T Ratchet Mount and is compatible with AAC sound suppressors. Constructed from aerospace-grade heat-treated stainless steel and finished with a Nitride coating, the Advanced Armament Blackout AR-15 muzzle brake is designed for high surface hardness and durability.

Note: *NOT* for use on FN SCAR 17 or Ruger Gunsite Scout

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These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).