EZ-Aim Allen Ar500 Steel Gong Target 10in. When the target is struck the AR500 steel gives you audible and visual feedback during target practice. At a safe distance of 200-yards these targets can be used with centerfire handgun and firearm cal. up to .300 Winchester Magnum (.300WM .300 WinMag). Specifications for EZ-Aim Allen AR500 Steel Gong Target: Manufacturer: EZ-Aim Color: Steel Diameter: 10 in Fabric/Material: AR500 Length: 10 in Features of EZ-Aim Allen Ar500 Steel Gong Target Safe at 200-yards targets can be used with centerfire handgun and firearm cal. up to .300 Winchester Magnum (.300WM .300 WinMag) Provides the greatest durability and longevity lasting thousands of rounds Durable AR500 steel provides audible and visual feedback during target practicewhite powder coating helps you spot hits Square holes on the top of the target are for carriage bolts Package Contents: EZ-Aim Allen Ar500 Steel Gong Target EZ-Aim 1538: Allen Ar500 Steel Gong Target 10in