The Yankee Hill Machine Phantom Flash Hider is a popular muzzle device designed for 5.56 NATO AR rifles with 1/2x28 thread pitch and featuring an aggressive toothed design.Yankee Hill Machine Phantom 5.56mm Flash Hider1/2x28 thread pitch for standard AR-15 barrelsSteel construction for durabilityReduces muzzle flash signatureAggressive front end with toothed designCompatible with 5.56 NATO/.223 RemingtonPerfect for AR-15 platform rifles this flash hider effectively reduces muzzle signature while providing an aggressive appearance. The steel construction ensures long-lasting performance in demanding conditions.