These gas blocks along with our gas tubes create an efficient and reliable gas system for your AR15 or AR 308 rifle build. - Features - Fits barrels with .936 Outer Diameter - Constructed from 4140 hardened steel - Nitride coating - 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*
AERO PRECISION | UPC: 815421028355
