This 4" accessory rail is a standard Mil-STD-1913 Picatinny rail used for mounting accessories such as bi-pods to the handguard of the Carbon chassis system. It is made from 6061 T-6 aluminum and comes in a matte black anodized finish. This rail will only fit our Carbon chassis system and is mounted utilizing a threaded backer plate inside of the Carbon handguard.
*PLEASE NOTE: The 2" Carbon Picatinny Rail has been discontinued.
**PLEASE NOTE: Only compatible with GEN 1 Carbon handguards. Contact us if you are unsure of compatibility.
**WEIGHT: 1.4 ounces.