Pro series Mark II is a 20 x 12 in silhouette made from US AR500 steel. The Mark II that has laser scoring boundaries. Use the "PS Brackets" that fit the Taylor Targets "Pro Series Base". The Mark II is unique in that it can be used separately mounted with the bracket or with the extension set. These two methods (bracket or extension set) allow you to raise the height of the target for your specific need. Using any of these methods in conjunction with the pro series base provides a solid support for the target. This target is to be used at 100 yd for rifles and 25 yd for handguns. The pro series Mark II is rated for 0.22 rim fire through big bore rifle.