AERO PRECISION .875 Low Profile Phosphate Gas Block (APRH100366C)

Fits barrels with .875 Outer DiameterConstructed from 4140 hardened steelChoose No Aero Logo or Aero "A" Logo blocksNitride treatmentLow profile for easy fitmentSet Screws are Steel 10-32 x 3/16 Knurl

Fits barrels with .936 ODConstructed from 4150 hardened steelPhosphate coatingLow profile for easy fitmentSet Screws are Steel 10-32 x 3/16 Knurled Cup PointMade in the USARoll pin

Fits barrels with .750 ODConstructed from 4150 hardened steelPhosphate coatingLow profile for easy fitmentSet Screws are Steel 10-32 x 3/16 Knurled Cup PointMade in the USARoll pin

Aero's gas blocks create an efficent and reliable gas system for your AR15 or AR 308 rifle build. Features fits barrels with .936 outer diameter, low profile for easy fitment and set screws are steel...

Aero's gas blocks create an efficent and reliable gas system for your AR15 or AR 308 rifle build. Features fits barrels with .750 outer diameter, low profile for easy fitment and set screws are steel...