Aero Precision .875″ Low Profile Gas Block – Set Screw


  • Machined from 4150 chrome moly steel
  • .875” gas seat diameter
  • Set Screws: 10-32×3/16 knurled cup point
  • .500” set screw spacing for dimpled barrels
  • Phosphate coating
  • Low profile for easy fitment
  • Roll pin not included
  • Weight: 1.6 oz
  • Height: 1.42″


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SKUAPRH100366C Category

The Aero Precision low profile gas block is the perfect choice if you plan on free floating your AR-15 barrel. With a sleek and low-profile design, it will fit under almost any free float handguard on the market. Machined from hardened 4150 chrome moly steel with a durable phosphate finish, this gas block is built to last. The precision machining tolerances provide a perfect match to your barrel with .875” gas block journal. It is also compatible with all rifle and carbine length gas tubes. Installation is easy with the included set of steel 10-32 x 3/16 knurled cup point set screws. Give your AR-15 a custom look and feel with the Aero Precision low profile gas block.

NOTE: Aero Precision does not recommend the use of red thread locker on the set screws. If you decide to use thread locker, they recommend using a non-permanent variety.


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