DNZ Hunt Masters 2 Piece Mount System for Winchester 70 and Marlin XL7/XS7 RiflesDescription Specs Hunt Masters Signature Series are a two piece mount custom made to fit and align perfectly with your rifle's receiver. With each piece machined from a solid block of top grade billet 6061T6 aluminum makes them approximately 1 3 the weight of steel while able to better withstand shock and temperature extremes. The single machined piece removes all windage screws and moving parts between the receiver and scope that can become loose