The Ergo 4821 .750 Low Profile Gas Block is designed to fit under the Ergo Modular and SuperLite Rail System, as well as most other manufacturer’s free float handguards. Melonite QPQ finish for durability, and machined from 4140 chrome moly steel with chamfered edges, featuring a slip on fit for ease of installation and secured with two set screws.
Features and Specifications:
Manufacturer Number: 4821
CNC machined 4140 Chrome Moly steel
Nitride/Melonite QPQ finish
Chamfered edge, slip on fit
Weighs 2 ounces
Internal Diameter 0.750
Under most free float handguards. Accepts standard gas tube roll-pins (roll pin NOT included)
Two set screws for a secure attachment
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