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The Ergo 4822 .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. 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 - Full shutoff with zero adjustment movement - Nitride/Melonite QPQ finish - Chamfered edge semi-press fit - USA made steel & Machined in the USA - Weighs 2oz - Fits under most free float handguards - Internal Diameter 0.750 - Same profile/height as the standard low-profile gas block - Includes (2) set screws for a secure attachment - Includes 10-32 Set-Screw and a 4-40 Retaining Screw (Rearward facing) - Accepts standard gas tube roll-pins but a roll-pin is NOT included.
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