The Flash Hider-QD 556 is designed to mitigate flash when unsuppressed.
Flash Hider-QD 556 is compatible with HX-QD 556k, 556, 762, 762 Ti and Magnum Ti suppressors.
(Regular) Muzzle device length is 2.3 inches, and length added to barrel is 1.7 inches.*
*on barrels with 0.6 inch threads.
NOTE: Larger caliber mounts are NOT compatible with smaller caliber suppressors. Smaller caliber mounts ARE compatible with larger caliber suppressors.