The Yankee Hill Machine new hinged style AR-15 low profile gas block features a revolutionary design which will now allow you to install a low profile gas block on a barrel which features a pinned and welded muzzle device. The low profile design is ideal for individuals who are looking to install a free float hand guard. The gas block is compatible with barrel which utilize a .750" diameter gas seat and the screws are designed to be tightened to 40 inch pounds.

Specifications and Features:
Yankee Hill Machine YHM-9345
Low Profile Hinged Gas Block
.750" Diameter
Clamp On Screw Mounted
Great for use with barrel which have a pinned/welded muzzle device
Recommended Torque 40 inch pounds
Matte Black Finish