The Wolfpack Armory Night Howler Flash Hider features 1/2X28 threading with a durable nitride finish in black for superior performance and corrosion resistance.Wolfpack Armory Night Howler Flash Hider1/2X28 thread pitch for standard AR-15 compatibilityNitride finish with black coating for durabilityCompact dimensions: 1.30 x 3.00 x 6.15 inchesSKU: NHFH1228BNV3Designed to reduce muzzle flash while maintaining reliable performance this flash hider is ideal for tactical applications and sport shooting. Note: California shipping restrictions apply.