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AAC (ADVANCED ARMAMENT) Blackout Flash Hider for 51T mounts. The BlackOut Flash Hider is designed to reduce muzzle flash and is machined from high strength aerospace steel. It features a SCARmor finish and includes Rocksett. Thread pattern: 1/2-28 TPI. Model: Blackout Flash Hider. Material: Steel. Finish: SCARmor. Rocksett Included.
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