Ergo Adjustable Low Profile Gas Block

$ 57.00 $ 49.95

6 in stock

  • Description
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Product Description

The Ergo 4821 Adjustable .750 Low Profile Gas Block is designed to fit under the Ergo Modular and SuperLite™ Rail System. It also fits under JTMR 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. The adjustable gas block retains the same height/profile as the standard Ergo low profile gas block.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.


  • CNC machined 4140 chromoly steel
  • Nitride/Melonite QPQ finish
  • Chamfered edge, slip on fit
  • USA made steel & machined in the USA
  • Weighs 2oz
  • Fits under most free float handguards
  • Internal Diameter 0.750
  • Includes (2) set screws for a secure attachment
  • Accepts standard gas tube roll-pins (roll‑pin NOT included)
  • Shipping Information

    Shipping Weight 2 oz
    Shipping Dimensions 3 x 3 x 3 in


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