Versatile and innovative, Geissele's MK4 DDC Super Modular Rail is a perfect addition to any AR-platform. It features a full length picatinny rail with more than enough space for optics, iron sights, and clip-on night vision/thermal devices. Additional forward-mounted picatinny rail segments are located in the 3, 6, and 9 o'clock positions, and numerous M-LOK attachment points towards the rear gives the user the user virtually unlimited customization options in terms of tactical lights, lasers, fore-grips, and other accessories.