The YHM Phantom .308 Flash Suppressor delivers proven 5-port design and performance in .308 Winchester/7.62 NATO format with 5/8x24 thread pitch for AR rifle compatibility.YHM Phantom Flash Suppressor without teeth5-port design with no downward facing port5/8x24 thread pitch for .308 Winchester/7.62 NATO2.25" overall lengthIncludes crush washer for proper installationPrevents dust problems when shooting in prone positionIdeal for AR rifles chambered in .308 Winchester or 7.62 NATO this flash suppressor provides effective muzzle flash reduction while maintaining a clean shooting position in tactical and precision shooting applications.