The Magpul MAG580 M-LOK Aluminum Accessory Rail 3-Slot is designed to seamlessly mount to all M-LOK compatible hand guards and forends, providing a sturdy, lightweight platform for attaching 1913 Picatinny spec accessories such as lights, vertical grips, and more. Precision machined from high-quality aluminum for enhanced strength and durability, this rail section features beveled ends to minimize snagging and eliminate sharp edges. It includes all the hardware needed for direct installation on M-LOK slots in either aluminum or polymer hand guards. Measuring 1.6 inches in overall length with 3 usable slots, this accessory rail is proudly made in the USA.