The HuxWrx Safety Company® QD 6 Flash Hider - 5/8x24 features a unique design that helps mitigate flash when shooting unsuppressed. The Flash Hider-QD 6 is compatible with HX-QD series (6k, 762, 762 Ti and Magnum Ti) and FLOW series (6k and 762 Ti) suppressors. This flash hider is only compatible with VENTUM series suppressors when combined with the HUX HUB Adapter. 5/8x24 thread pitch.