- The OSS HUXWRX Flash Hider QD 5.56mm is the ultimate solution for reducing flash when shooting unsuppressed. Compatible with various suppressors, this flash hider is designed to perform seamlessly with your 5.56mm rifle. Its quick-detach feature makes it easy to switch between different firearms without sacrificing performance. Whether you're using the HX-QD 556k, 556, 762, 762 Ti, or Magnum Ti suppressors, this flash hider has got you covered. Remember, larger caliber mounts are not compatible with smaller caliber suppressors, but smaller caliber mounts are compatible with larger caliber suppressors. Upgrade your shooting experience with the OSS HUXWRX Flash Hider QD 5.56mm.