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.
Features:
.750"
Low Profile
CNC machined 4140 chromoly steel
Includes (2) set screws for a secure attachment
Features:
.750"
Low Profile
CNC machined 4140 chromoly steel
Includes (2) set screws for a secure attachment