For those seeking the lightest and smallest Arcalock rail available, look no further. Weighing in at just 1.5 oz, this rail is designed to fit forend hole spacings of 2 inches to 3.5 inches, mirroring the design of our highly popular IBR. It comes complete with T-nuts and hardware, enabling you to install the rail closer to the magwell for enhanced tripod use. This compact and versatile rail is perfect for maximizing your setup without adding unnecessary weight, making it an ideal choice for any precision shooting application.