Precision Reflex Pri Forearm Tactical Rail 5.5 in Black. These Picatinny Rails by Precision Reflex are constructed of 6061 hard coated black anodized aluminum to provide rugged durability and a long service life. The Precision Reflex Tactical Rail is easy to install using the 4 mounting screws and 2 bar nut that are included. When you need a stable mounting point for your favorite accessories look no further than the Precision Reflex Forearm Rail w/ 1913. Specifications for Precision Reflex PRi Forearm Tactical Rail: Manufacturer: Precision Reflex Cant: 0 MOA Gun Make: AR Platform Quantity: 1 Package Contents: Precision Reflex PRi Forearm Tactical Rail Precision Reflex 05-070-05: Pri Forearm Tactical Rail 5.5 in Black