ERBJUDANDE: Mega Arms WL-650 KM Hand Guard

Mega Arms Wedge Lock Extended Length Hand Guard (WL-650-KM) 

Mega Arms' cutting edge design, ultra strong, lightweight and slim Hand Guard. 
One of the best Hand Guards out there.

(KM = KEYMOD MODEL)
The WL-650-KM is perfect for 18" or longer barrel. 
You have to have a Low Profile Gas Block, that you grind a little to make it even more low profile, for perfection with this WL-650-KM Hand Guard.