This One-Piece Assembly replaces the newest of Winchester\'s bottom metal. Winchester is now offering a One-Piece Assembly in aluminum that is similiar to the product Remington has marketed as the BDL. This Assembly varies slightly from our Original Short-Action One-Piece Assembly on the outside contour, due to the fact that it is wider in the front tang area and on either side of the magazine box. If you\'ve purchased one of the new Winchester short-actions that have an aluminum One-Piece Bottom Metal Assembly; this is the drop-in replacment for you in CNC Machined steel or stainless. Manufactured from drop-hammer forgings and cold-rolled barstock; this bottom metal will hold up to the most extreme hunting conditions and add a touch of class to your factory or custom rifle. This bottom metal will require minor inletting on models that came from the factory with original 3-piece designed trigger guard and floorplate(those utilizing the middle guard screw).