More pronounced cheekweld (SOPMOD type) Snag free Design. No sharp edges prevent tangling of the rifle with the shooter&';s sling, molle gear, or other kit 2 different types of ambidextrous sling mounting options, including QD swivel sockets Simple modular design. 6 parts, and 1 screw allow for modular adaption of future stock options and configurations The strongest light-weight polymer stock available for your mil-spec receiver extension. Modular VBOST (Vehicle Borne Operations Sling Tab) ** This tab interfaces with the shooter&';s riggers&'; band or bungee to secure the shooter&';s sling against the stock when the carbine is not in use. Increasingly, this is the most common application when operating inside a vehicle.