BATTENFELD TECHNOLOGIES Dual Spinner Target Caldwell 309-713 Magnum Dual Spinner 36"W x 4"H x 12"D 4&6" Targets Black Like the other Magnum Series Targets, the Dual Spinner is constructed withpremium AR-550 steel targets for uncompromising durability. Both targetsare coupled around a hardened steel shaft allowing them to swing withbullet impact. With multiple hits the target can be set into a spinningmotion. This target is great practice for target acquisition, timing,trigger control and recovery from recoil. Comes complete with free standingframe, horizontal shaft, upper and lower target plates and ground stakes.It features target diameters of 4" and 6". It is designed to be shot at aminimum distance of 100 yards, for maximum life expectancy impactvelocities of 3,000 fps or below and impact energies of 3,100 ft lbs orless are recommended. SPECIFICATIONS:Mfg Item Num: 309713 Category: TARGETS Type :SpinnerSize :36" x 4" x 12"Quantity :1Material :AR-500 SteelIllustration :CircleAmmo Type :Semi-AutoIncludes :Ground Stakes