This 4X magnification, 32-millimeter scope from archery gear maker Barnett features a five-point programmed, multi-reticle crosshair system for rapid target acquisition, and is compatible with all full-sized crossbows in the company's line. The water-resistant, shock-proof scope comes with 0.875-inch dovetail mounting rings. Water-resistant, shock-proof scope comes with 0.875-inch dovetail mounting rings 4X magnification, 32-millimeter scope from archery gear maker Barnett Five-point programmed, multi-reticle crosshair system for rapid target acquisition Compatible with all full-sized crossbows in company's line Water-resistant, shock-proof scope comes with 0.875-inch dovetail mounting rings