Caldwell AR-500 Steel Targets 66 Percent IPSC Yellow. 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. Specifications for Caldwell AR-500 IPSC Steel Targets: Manufacturer: Caldwell Thickness: 6.48 in Color: Yellow Quantity: 1 Fabric/Material: AR500 Steel Depth/Thickness: 0.4 in Features of Caldwell AR-500 IPSC Steel Targets 3/8in Through Hardened AR500 Steel Rated Up To 3000 FPS Impact Velocity Rated Up To 3500 ft lbs Impact Energy 7 Sizes With 3 Hanging Solutions Caldwell 1116702: AR-500 Steel Targets 66 Percent IPSC Yellow