This gas block contributes to 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
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*
Please note: Aero does not recommend the use of red thread locker on the threads of the set screws. If you decide to use thread locker they recommend using the non permanent variety.