The Magpul MAG407 MOE Polymer Accessory Rail 7-Slot is designed specifically for use with MOE hand guards and forends, offering a simple way to mount 1913 Picatinny-spec accessories like lights, vertical grips, and more. Constructed from Magpul’s proprietary reinforced polymer composite, this rail section delivers excellent strength and durability while keeping weight to a minimum. Beveled ends help reduce snagging and eliminate sharp edges for a sleek, snag-free profile. Measuring 3.3 inches overall with 7 usable slots (L3 size) and a mounting screw center-to-center distance of 1.6 inches, it comes complete with all the hardware needed for direct attachment to MOE hand guards and forends. Proudly made in the USA.