HUXWRX QD Flash Hider 5.56 1/2x28 XL 13.7in Black 2885. Flash Hider is compatible with 556k 556 762 762 Ti and Magnum Ti suppressors. (Regular) Muzzle device length is 2.3 inches and length added to barrel is 1.7 inches. (Long) Muzzle device length is...