The EZ-Aim AR500 Prairie Dog target is designed for use with hunting rifles and handguns. Recommended range is a minimum of 100 yards. The 3/8" thick AR500 Steel works well for any hunting bullet. White powder-coat for improved visibility of bullet impact. Note Armor piercing bullets, Full metal jacketed bullets may damage any AR500 Target: Dimension 12.20" H x 5.25" W x 3/8 thick.