AR-550 Steel construction for professional grade durability Designed to withstand impacts with all high power rifles and handguns Complete with freestanding frame, chains and 10? gong (3/8"; thick) Center of the target hangs 18 in. above the ground and weighs approximately 21 pounds. The frame is constructed of steel tubing which requires no tools to assemble or disassemble Overall size of the target system is 38 in. wide by 33 in Designed to be shot at a minimum distance of 100 yards For maximum life expectancy impact velocities of 3,000 fps and below are recommended.