Aero Precision Low Profile Gas Block .625″ – Set Screw


  • Machined from 4150 chrome moly steel
  • .625” 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: 1.3″


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SKUAPRH100365C Category

Aero Precision is a name synonymous with quality and precision. Their low profile gas block is just another example of the innovative products they produce. This gas block is constructed from hardened 4150 chrome moly steel to withstand whatever you throw at it. The durable phosphate finish protects against wear and corrosion, so you can rest assured knowing your investment is protected. The low-profile design means it will fit under almost any free float handguard on the market. So, if you’re looking to customize your rifle, this is the gas block for you. These gas blocks are made in the U.S.A., and include a set of steel 10-32 x 3/16 knurled cup point set screws for attaching them securely to your barrel. With precise machining tolerances, you can expect a perfect match to your barrel with .625” gas block journal. And, it’s compatible with all rifle and carbine length gas tubes. So, if you’re looking to upgrade your AR-15, the Aero Precision low profile gas block is the way to go.

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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