Last night I noticed that the "ping pong paddle" on my rifle was rattling. Upon closer inspection, I noticed that is little to no spring tension on the piece, and it flops around freely. As the video below will show, gravity is the only thing that holds it down. Just to clarify, I am not touching the lever at all when I turn it upside down; that is all gravity.
I noticed this problem after separated the upper & lower, added some oil to the gas rings, and snapped the two halves back together. The gun has never been dropped or banged before.
I can still lock the bolt back and release it, and it still locks back on an empty magazine, but I am concerned about the loss of spring tension. What would you guys do about this?


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