BIGshot Iron Man 24in Extreme 500 High Kinetic Energy Crossbow Block Target - The first 500 FPS high-end field point target designed for the extreme shooter and customers who want the longest lasting target on the market. IRON MAN Extreme Series utilize a fortified shell to achieve extreme compression of BIGshot Archery’s exclusive military fibers and abest in class multi-directional woven ballistic core. The BIGshot IRON MAN stops even the most extreme compound and crossbow systems. All Extreme IRON MAN targets are rated at 500 FPS. Designed with a best in class custom woven nylon facing for extreme durablility.