BAR Straight Side Rail Mount. This Straight side rail is designed to mount on the side of the VZ58 and the long railed night vision bases like the BAR rail. This allows an operator to attach a flashlight or a PEQ unit. Rail is constructed of T6 6061 hard coated black anodized aluminum. The rail is short and mounts straight out from base. Comes with mounting screws. Rail sticks out from mount 5/8 and is 2.4" in length and weighs 1.44 ounces.