Caldwell AR500 33percent Pepper Popper Centerfire Steel Auto Resetting Target Yellow. Constructed using AR500 the finest rifle rated target steel available on the market. Each target includes a free-standing frame popper or prairie dog shape AR500 target and ground stakes. The base of the frame sits 7-Inches off the ground. When the target is struck with a bullet it falls backward and is automatically reset with the integrated reset spring. For maximum life expectancy impact velocities of 3000 fps or below and impact energies of 3500 ft. lbs. or less are recommended. Specifications for Caldwell AR500 33 percent Pepper Popper Centerfire Steel Auto Resetting Target: Manufacturer: Caldwell Thickness: 0.375 in Color: Yellow Additional Features: Ground Stakes Fabric/Material: AR500 Steel Package Contents: Caldwell AR500 33 percent Pepper Popper Centerfire Steel Auto Resetting Target Free-Standing Frame Popper or Prairie Dog Shape AR500 Target Ground Stakes Caldwell 1178560: AR500 33percent Pepper Popper Centerfire Steel Auto Resetting Target Yellow