The UTG Pro Deluxe Quad-Rail Gas Block (MTU-012) replaces the original front sight on any AR15 with a low profile railed gas block. This provides a mounting point for a detachable front sight, as well as a light or laser. This Made in the USA gas block is ideal for use with optics on any AR15. UTG has equipped this gas block with an additional locking set screw for ultimate stability.
The Low Profile Railed Gas Block is designed for use with gas block height iron sights.
UTG Pro M4 Quad Rail Gas Block Features:
-Made in USA
-Aircraft Aluminum Construction
-Includes Gas Tube Pin for installation
-Fits 0.75 inch barrel (Milspec)
-Includes Locking Set Screw
-0.28 Inch Drop from Rail Height