RMP Targets - reacts, moves, plinks -- These 14 inch tall targets are made from 3/8 AR500. Each target by design has 4 double sided 4.5 inch targets. Set your target down and it is ready out of the box. Each time the target is hit it reacts by rolling backward, flipping and sometimes hopping. An audible plinking sound confirms target hit. These targets are great for training or just having fun. The audible and visible reaction of the targets gives immediate feedback. This model is ideal for deer rifles. It is not recommended for .22's and small caliber ammo. For smaller ammo, please try RMP Target 2.5 model.