Replacement breech plugs are the same reliable designs and quality that come standard with all cva rifles.This breech plug is only for pivot-action and break-actions made in *2009 and before, these models would include: optima optima pro wolf kodiak kodiak pro the last to numbers of your serial number indicate the year your model was made- example 61-13-??????-01 this model was made in 2001Pieces: 1Color: SilverMaterial: Stainless SteelModel: Breech Plug