The Aero Precision Adjustable Gas Block allows the user to finely tune their gas system for any application. This is particularly useful for managing excess gas to reduce blowback on suppressed firearms, or competition builds where the shooter is looking to mitigate recoil. Features : Machined from 4140 steelNitride coatedCompatible with barrels utilizing a .875 gas block journalAttaches to barrel via 10-32 x 3/16 knurled set screws
