The XTS GB875SS Low profire micro gas block is made from Heat Treated CNC precision machined steel. Its Erosion resistant Stainless Finish gives your AR a stylish look that is also incredibly functional. The XTS GB875SS Low Profile gas block will replace your existing A2 front sight, and allows an aftermarket free float rail system to be installed right over the top. Use it with a Mid Length, Specter Length or Rifle Length hand guard to give your old AR a whole new life. The XTS GB875SS is compatible with any 5.56, or.223 with a .875 diameter barrel. The roll-pin & set screws are included. No need to modify your barrel, this micro gas block is ready to go to work right out of the box.

Features and Specifications:
Manufacturer Number: XTS GB875SS

Outer Diam Gas Block Nipple: 0.40"
Wall Thickness: 0.15"
Diameter: 0.875"
Net Weight: 2.7 oz.
Color: Silver
Material: All Steel Construction
Finish: Stainless Steel