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ERGO Adjustable Gas Block (0.75")

  • 7650


The Ergo .750" Adjustable Gas Block is designed to fit under the Ergo Modular and SuperLite Rail System, as well as most other manufacturer’s free-float handguards. The gas block allows the user to variably fine tune their rifle’s gas system down to full shutoff.

Adjustments are made via a 10-32 set-screw and a 4-40 brass retaining screw ensures the system remains locked, no need for Locktite.

Melonite QPQ finish for durability, and machined from 4140 chromoly steel with chamfered edges, featuring a slip on fit for ease of installation and secured with two set screws. Retains the same height/profile as the standard Ergo low profile gas block.

  • Steel
  • Full shutoff with zero adjustment movement
  • Chamfered edge, semi-press fit
  • Fits under most free float handguards
  • Same profile/height as the standard low-profile gas block
  • Accepts standard gas tube roll-pins but, a roll-pin is NOT included
  • B.Y.O. hex keys
  • You'll need to also get a Gas Tube Roll Pin
  • 22.6mm (1") long
  • Weight: 33g
  • Made in the USA

You get:

  • (1) Gas Block
  • (2) Set screws for a secure attachment
  • (1) 10-32 Set-Screw and a 4-40 Retaining Screw (Rearward facing)

You NEED TO get:

  • (1) Gas tube roll pin

    Compatible with:

    • Barrels with a 0.75" gas block mount diameter

    Installation Difficulty: 

    Tools requiredA punch to get the gas tube roll pin installed. Also you'll need a 3/32" hex key to tighten the set screws onto your barrel, and a 5/64” and 3/64" hex keys to work the other set screws.

    Installation notes: You need to watch that you don't cover the gas port and thus have the block rotated correctly. Just take your time.



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