Precision Reflex Gas Block w/ Picatinny Rail

This barrel mounted gas block has a 2 1/2in top rail that is the same plane as the receiver. The rail is constructed of lightweight hard coat black anodized aluminum. The gas block weighs 2.5 ounces. The gas block fits over a .625 diameter barrel. Block locks into place with 2 crossbolts, the same as our original gas block front sight. Specifications for Precision Reflex Gas Block w/ Picatinny Rail: Manufacturer: Precision Reflex Color: Black Fabric/Material: Aluminum Gas Block Journal Size-Diameter: .625 in Gun Make: AR Platform Package Contents: Precision Reflex Gas Block w/ Picatinny Rail