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Details of Aero Precision .875 Low Profile Gas Block with Aero Logo Nitride
These gas blocks along with Aero Precision's gas tubes create an efficient and reliable gas system for your AR15 or AR 308 rifle build.Features:Fits barrels with .875 Outer DiameterConstructed from 4140 hardened steelNitride coatingLow profile for easy fitmentSet Screws are Steel 10-32 x 3/16 Knurled Cup PointMade in the USA*Roll pin not included*Please note: We do not recommend the use of red thread locker on the threads of the set screws. If you decide to use thread locker we recommend using the non permanent variety.