Believe me. I have thoroughly cleaned every part of this rifle  with an emphasis on the magazine area.  I installed a new follower spring that solved the problem of the last couple of rounds not being pushed up far enough to be caught by the bolt.  I polished all the surfaces of the magazine well to include the backside of the side plate.  The side plate is perfectly fitted to the side of the receiver.

The problem remains that if the rim of the cartridge in the ready position is behind the rim of the next round the rifle will jam solid every time. Opening a closing the loading gate does not fix the problem.

This is a beautiful rifle with most of the finish intact and almost no dings in the stock.  Perfect bore with no apparent wear.  It groups extremely well at 200yds.  I bought this rifle to go along with my M1917 and M1903A3 for use in CMP Vintage Rifle competition.  Looks like I will have to sell it.  Jams are not an option.