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The AAC BlackOut Flash Hider for 51T mounts is an efficient design that eliminates muzzle flash, even on short barrels. The open-end, 3-prong design is stronger than 4-prong units and resists wear. Machined from high strength aerospace steel alloy and coated in a hard, durable SCARmor finish. Mounts on 51T flash hider compatibility. Available in two variants: 762NATO 5/8x24 thread for 13.7–13.9 barre ls and 556NATO 1/2x28 thread for 13.7–13.9 barrels. Package contents: Advanced Armament Corporation Blackout.
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