OSS/HUXWRX Flash Hider QD 5.56

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.

1/2 x 28

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