Designed from lessons taken from the modern battlefield, the Improved Modstock (IMOD) stock provides a highly practical and functional design. In addition, the stock is constructed from the finest materials, making it capable of withstanding the most rugged demands. The IMOD stock kit is the perfect start to any AR-15 build. The improvements of the IMod are as follows: Integral, but removable non-slip buttpad (color matched to stock components). Rolled/angled buttpad toe with wide traction area. This will assist in running the stock high on shoulder, making the IMod system more user friendly when using web-gear and/or body armor. Improved lock paddle, making it easier to operate and making the contact surface non-slip when operating the lever. Removed most sharp edges that may cause snag points to web-gear or other vital equipment. Improved strength throughout construction of the stock chassis. This will provide maximum strength during mortar exercise or unexpected impact. Receiver extension is made of 7075 T6 impact extrusion.