This innovative new design uses Z2 Alloy to make it the strongest mount available for your CVA rifle and scope. The DEAD-ON one-piece system is the fastest way to mount optics on your CVA rifle and will give you years of rock-solid performace. A one-piece system also means there are fewer parts than can come loose to affect your accuracy. Plus, the molded Z2 Alloy ensures better ring alignment to grip your scope tighter but wih less stress on the scope tube. High height ring/base accommodate 50mm objective scopes and under. Fits CVA Apex, Optima Elite Center-Fire Barrels, NEW CVA SCOUT Rifle (all Models) and all or later 2010 Model CVA Muzzleloaders (Wolf, Optima, Accura V20 Medium (Black).