Aluminium Rail - Mounts to a single M-Lok Slot - 1 Screw and 1 Nut - Constructed from lightweight and durable aluminum this one-slot M-Lok Pic Rail provides a minimal mounting footprint for various accessories such as lights and lasers. Its precision CNC machining ensures a solid and reliable platform while the MIL-STD 1913 Picatinny rail pattern allows for easy mounting of a variety of additional accessories. Installation is made simple with the included hardware and allen key.