Ergo Grip Low Profile Adjustable Gas Block Md: 4822 The Ergo Grip Low Profile Adjustable Gas Block is CNC machined with 4140 chromoly steel and features a Nitride/Melonite QPQ finish. It has a chamfered edge with a semi-press fit. Features a full shutoff with zero adjustment movement. USA made steel and machined in the USA. The low profile gas block weighs only 2 ounces and fits under most free float handguards. Same profile/height as the standard low-profile gas block. Includes two set screws for a secure attachment. Also includes 10-32 set-screw and a 4-40 retaining screw (rearward facing). Accepts standard gas tube roll-pins (roll pin NOT included).
