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The Ergo 4822 AR-15 .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. 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.

Features and Specifications:
Manufacturer Number: 4822
CNC machined 4140 chromoly steel
Full shutoff with zero adjustment movement
Nitride/Melonite QPQ finish
Chamfered edge, semi-press fit
Internal Diameter 0.750"
Weighs 2 oz

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.

Includes:
Two set screws for a secure attachment
10-32 Set Screw
4-40 Retaining Screw (Rearward facing)