Low Profile Nickel Boron Distressed Gas Block - USA MADE!
Low Profile gas block for AR-15 pattern rifles is precision machined from 4340 steel and treated with Nickel Boron Distressed coating. This treatment provides a harder-than-chrome surface with excellent lubricity and extreme corrosion resistance, and gives your AR rugged mean look. Matched with a slim, sculpted design, this gas block is perfect for mounting beneath a free-float rail system. Mounting hardware included. Set screw design for .750" barrels.