The CVA Durasight Z-2 Alloy Scope Rail Base is made to fit most CVA muzzleloader rifles. The DS102B rail comes in a matte black finish and with all of the screws needed to mount it to your CVA muzzleloader. The Z-2 Alloy makes this rail base one of the strongest on the market and is a great option for any shooter that wants to ability to easily remove their scope. Construction Z-2 ALLOY Fits CVA Muzzleloaders ALL ACCURA, OPTIMA & WOLF MODELS Fits Older CVA Models OPTIMA ELITE, KODIAK, WINCHESTER APEX, BEARTOOTH & ELITE STALKER Screws Included YES