This is a butt plate Mauser. It is a reproduction of an original buttplate made from high quality urethane. It has Mauser logo on the front, and also has a slight curve. Each buttplate comes with fitting instructions, as some minor fitting MAY be required (not always). Dimensions are as follows; Length; 5 inches; Width at widest point it is 1 and 9/16 inches. From top of plate to center of top screw hole is 3/4 inches; from bottom of plate to center of bottom screw hole is 1 inch (allow slight variance in measurements , because the holes in the buttplates are much larger than the holes in your stock (they are counter sunk screw heads). To attach the plate to your stock, use buttplate screws wp57.