Ultimate Arms Gear Gunsmith & Armorer's Cleaning Work Tool Bench Gun Mat For The SKS 7.62x39mm Rifle + SKS Gun Instruction Technical Manual Book Official US Army Military Reproduction Large exploded view schematics diagram of rifle and parts list : 12" x 36" Neoprene rubber backing prevents fluids from penetrating through to work surface Soft polyester top protects gun and parts from scratches. Must Have Manual for Any Rilfe Owner Showing Detailed Information. Contains an Exploded View of All Parts for a Perfect in Depth Diagram. Also Goes into the History as well as Safety Guidelines.