I have a custom 1903 Springfield with a DAHL front ramp sight on it. I have attached a few pictures - pretty standard looking post war build. It seems the vintage of this rifle matches the approximate dates that the others posted. Raised cheek piece, Redfield receiver sight, NS receiver sold as receiver only from DCM, unusual collar around barrel at front of receiver, Pachmayr recoil pad. Anyone recognize the builder or the stock maker? The stock is marked with a part number inside.
http://s1152.photobucket.com/user/hjhuts/library/1903%20Custom%20Sporter?sort=3&page=1