The M-LOK accessory rail allows you to mount sights, lights, and other tactical accessories to your free float M-LOK forend.
 
Includes M-LOK nuts, screws, and hex wrench.
Weight: 1.4 oz (including M-LOK nuts and screws).
5" long.
12 slots.
Accessory Rail can be placed at 3,6, and 9 o'clock positions and can be joined to create continuous Pic Spec Rail.
Made from 6061-T6.