Rugged Suppressors Flash Hider, Flash Hider, 1/2X28 Thread Pitch With 7.62 Bore FH013 The R3 Flash Hider 7.62 features variable fluted prongs" which yield zero ring and world-class flash reduction in a light and compact size. The R3 Flash Mitigation System utilizes our snag-free" toothless Dual Taper Locking System(TM) making it compatible with our Radiant762" Surge 7.62" Razor 7.62 and Micro30.