The Flash Hider-QD 556 is designed to mitigate flash when unsuppressed.

(Regular) Muzzle device length is 2.3 inches, length added to barrel is 1.7 inches (on barrels with 0.6" threads)

(Long) Muzzle device length is 2.7 inches, length added to barrel is 2.1 inches. Works on 13.9" platforms to bring barrel to 16" overall length (on barrels with 0.6" threads)

(XL) Muzzle device length is 2.96 inches, length added to barrel is 2.34 inches. Works on 13.7" platforms to bring barrel to 16" overall length (on barrels with 0.6" threads)

The Flash Hider-QD 556 is compatible with HX-QD series (556k, 556, 762, 762 Ti and Magnum Ti) and FLOW series (556k and 762 Ti) suppressors. This flash hider is only compatible with VENTUM series suppressors when combined with the HUX HUB Adapter.

NOTE: Larger caliber mounts are NOT compatible with smaller caliber suppressors. Smaller caliber mounts ARE compatible with larger caliber suppressors.