FEATURES-M-LOK 5-Slot Accessory Rail-2 5/16" long-Allows you to mount sights, lights, & other tactical accessories to your free float M-LOK forend-Can be placed at 3, 6 & 9 o'clock positions & can be joined to create continuous Pic Spec rail-Made from 6061-T6 billet aluminum-Adjusts in 1/2 slot increments for precise accessory placement-No access to back side of the rail is required-Accessories can mount with either end facing forward-Includes M-LOK nuts, screws & hex wrench