AERO ADJ LOW PROFILE GAS BLOCK .625

Aero Precision Low Profile Adjustable Gas Block, Fits AR15 with 0.625 Barrel, Nitride Finish, Black APRH101613C 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.