Blackpowder Products Weaver Style Durasight Z-2 Alloy Rail Scope Bases for Muzzleloaders Durasight Z-2 Alloy Rail Scope Bases for Muzzleloaders (Weaver Style) - Black Fits CVA Elite Stalker, Optima Elite, Accura Optima Elite CF & ML, All Optima, All Kodiak, Wolf, Winchester Apex, New Frontier Beartooth Scopes Bases Rail Weaver Style