Hello Eric, I have never witnessed 2 wave washers before. The only purpose that I can identify for the wave washers is that it keeps the bolt cross pin from shifting around. If that happened you might experience a fail to fire and difficulty removing or rotating the bolt. A lot of us move the washer location forward to be between the front baffle and the bolt head. If you do not have a lathe you might not be able to do that because of the radius on the back side of the bolthead.
P.S. Make sure all your ammo is free of dirt and sand when it goes in the chamber. I have purchased a few barrels in new condition that where as yours. It is not hard to address if you have the tools. Good Luck.
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