The Evolution accessory rails are a standard Mil-STD-1913 Picatinny rail used for mounting accessories such as bipods to the handguard of the Evolution chassis system. They are made from 6061 T-6 aluminum and come in a matte black anodized finish and are available in 5.5" lengths.
These rails will fit our Evolution, Evolution HD and Evolution BMG chassis and are mounted utilizing a steel threaded backer plate inside of the Evolution handguard.
*PLEASE NOTE: Only compatible with GEN 1 Evolution handguard. Contact us if you are unsure of compatibility.
**WEIGHT: 1.5 ounces. (5.5 inch)