Flash Hider-QD 556 is compatible with HX-QD/FLOW 556k, 556, 762, 762 Ti and Magnum Ti suppressors.

Muzzle device length is 2.3 and length added to barrel is 1.7 inches.

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

*In an attempt to minimize waste, some suppressors, accessories and muzzle devices may arrive in OSS packaging while the company transitions to the new HUXWRX packaging.