The Carbon accessory rails are a standard Mil-STD-1913 Picatinny rail used for mounting accessories such as bi-pods to the hand guard of the Carbon chassis system. They are made from 6061 T-6 aluminum and come in a matte black anodized finish and are available in 4" and 2" lengths. These rails will only fit our Carbon chassis system and are mounted utilizing a threaded backer plate inside of the Carbon hand guard.
*WEIGHT: .7 ounces. (2 inch) *WEIGHT: 1.4 ounces. (4 inch)