Caldwell AR500 Rimfire Dueling Tree Black. With each impact the six reactive targets pivot from left to right of the center post. The 4" square targets are constructed from AR500 steel for use with popular rimfire cartridges like 22LR 22WMR and 17HMR. A stable 24"x24" base with adjustable center post angle allows reliable use on uneven ground and adjusts for different impact energies. Challenge your friends to a friendly duel with the Caldwell AR500 Rimfire Dueling Tree. Specifications for Caldwell AR500 Rimfire Dueling Tree: Manufacturer: Caldwell Color: Black Fabric/Material: Steel Features of Caldwell AR500 Rimfire Dueling Tree Six - 4" square rimfire-rated ar500 steel targets Full height 54" tall center post with stable 24" x 24" base Set post angle for reliable use on uneven ground Withstands impacts from 22lr 22wmr 17hmr Package Contents: Caldwell AR500 Rimfire Dueling Tree Caldwell 1223930: AR500 Rimfire Dueling Tree Black