Caldwell AR500, Prairie Dog, Steel Target, Yellow 1178561 Caldwell's new bright" easy-to-see targets come in all shapes and sizes for competition" training" and recreational use. Made of AR500 hardened steel" these targets can withstand thousands of rounds. Rated up to a 3000 fps impact velocity and a 3500 ft-lb impact energy" these targets come in seven various sizes with three hanging solutions.