Dead Air Armament Key Mount Flash Hider FN SCAR 17 5/8X24 Black. The end result is a flash hider that does not "ping" when used with Dead Air suppressors. The flash hider is backed by a lifetime warranty.Weight 3.6 oz - 4.0 oz Length 2.7 inches Specifications for Dead Air Armament Key Mount Flash Hider: Manufacturer: Dead Air Silencers Color: Black Fabric/Material: Steel Gun Make: FN Herstal Length: 2.7 in Weight: 3.7 oz Condition: New Package Contents: Dead Air Armament Key Mount Flash Hider What firearm models does the manufacturer say Dead Air Armament Key Mount Flash Hider is compatible with? The manufacturer suggests that Dead Air Armament Key Mount Flash Hider is compatible with FN SCAR-L Mark 16 FN FAL FN SCAR-H Mark 17Dead Air Armament DA305: Key Mount Flash Hider FN SCAR 17 5/8X24 Black