The Noveske KX3 Flash Suppressor is engineered for 5.56 NATO AR rifles with 1/2x28 threading and works on any barrel length for maximum versatility.Noveske KX3 Flash Suppressor1/2x28 thread pitch for standard AR-15 barrels5.56 NATO caliber compatibilityBlack Nitride finish for durability and corrosion resistanceHeat-treated CM construction for strengthIndividually serial numbered for quality controlIncludes crush washer for proper timingPerfect for AR rifle enthusiasts seeking reliable flash suppression with premium Noveske quality and craftsmanship. The universal barrel compatibility makes this an excellent choice for various AR-15 configurations.