Ergo Grip Gas Block .750 - Low Profile For Ar-15

FEATURES
-CNC machined 4140 chromoly steel
-Nitride/Melonite QPQ finish
-Chamfered edge, slip-on fit
-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)
-USA made steel & machined in the USA
-Weighs 2 oz.