The low-profile adjustable gas block allows the use of a free-floating handguard that can extend over the gas system while providing precise control over the gas flow cycling the rifle. The block is secured with two set screws and features a lock-down screw to maintain the adjustment setting. It also includes a steel adjustment screw and a standard 5/64" × 5/16" gas tube roll pin for installation.
Material: 4140 Carbon Steel
Finish: Black Nitride