Caldwell AR500 8in Caldwell C Steel Gong Target - Caldwell's bright, easy-to-see targets are ideal for competition, training, and recreational use. Made of AR500 hardened steel, these targets can withstand thousands of rounds. These targets are rated up to a 3000 FPS impact velocity and a 3500 FT LBS impact energy. Rated Up To 3,500 FT LBS Impact Energy Rated Up To 3,000 FPS Impact Velocity 3/8in Through Hardened AR500 Steel 9.1in Long x 8in Wide x 0.4in Deep Powder Coated Finish