A durable rail designed to mount on the M-LOK(R) gun rail (not included), the GrovTec(R) M-LOK Picatinny Rail makes it easy to mount accessories on your high-performance rifle. Precision CNC machined from lightweight, solid aluminum, this MIL-STD 1913 Picatinny rail makes it easy to mount lasers, sights, or other accessories in a variety of locations. Rail features a Type III black anodized finish for long lasting durability. Comes with installation hardware and allen key. Durable Picatinny rail for M-LOK gun rails MIL-STD 1913 Picatinny rail Precision CNC machined from lightweight, solid aluminum Durable Type III black anodized finish Comes with installation hardware and allen key