ODIN Works M-LOK 5 Slot Accessory Rail. Technical Specs KMod is made to VLTOR WEAPONS SYSTEMS KeyMod specifications (universal). Includes KeyMod nuts screws and hex wrench. Weight: 0.8 oz (including KeyMod nuts and screws). 2 5/16" long. Accessory Rail can be placed at 36 and 9 o'clock positions and can be joined to create continuous Pic Spec Rail. Made from 6061-T6 Billet Aluminum. Specifications for ODIN Works 5 Slot Accessory Rail: Manufacturer: ODIN Works Gun Rail: M-LOK Package Contents: ODIN Works 5 Slot Accessory Rail ODIN Works ACC-FE-ML-5: M-LOK 5 Slot Accessory Rail