SIG SAUER Flash Hider 3 Prong 5.56 FLASHHIDER-3PRONG-556. 56 Specifications for SIG SAUER Flash Hider 3 Prong: Manufacturer: SIG SAUER Color: Black Caliber: 5.56x45mm NATO .223 Remington Fabric/Material: Steel Threads per Inch: 1/2x28 Gun Make: SIG...