1 Piece Durasight Z2 Alloy Base T/C Omega and Encore And Triumph (Silver Finish) by Durasight Product Overview now offers the 1 Piece Durasight Z2 Alloy Base. This Alloy Base is a low profile style scope mount and will fit CVA T/C Omega and Encore and Triumph firearms manufactured after 2010. The Z2 base is durable and built to last. The rings will securely lock to this base and not move due to recoil or normal use. This base is held to the receiver with grade eight Torx brand screws for absolute security. Specifications and Features: Silver Finish Durable Construction Fits All CVA T/C Omega and Encore and Triumph Firearms made after 2010