FLASH HIDER PHANT 5.56 SMOOTH 1/2X28 TPIYankee Hill Machine Company Phantom Flash Hider 223 Rem | 5.56 NATOSKU: YHM-28-5C1$42.95PriceQuantity*Add to CartSpecifications Manufacturer model: YHM-28-5C1 UPC: 816701013627 Type: Accessory-Flash Hiders Caliber / gauge: 223 Rem | 5.56 NATO Overall length: 7.5 Feature 1: Flash hider/Muzzle compensator Feature 2: 1/2x28 TPI Feature 3: Includes crush washer