These gas blocks along with Aero Precision gas tubes create an efficient and reliable gas system for your AR15 or AR 308 rifle build.
Fits barrels with .750 Outer Diameter
Constructed from 4140 hardened steel
Aero “A” Logo
Low profile for easy fitment
Set Screws are Steel 10-32 x 3/16 Knurled Cup Point
Made in the USA
*Roll pin not included*