Applied the bolt upgrade and repair kit to Willard's "modern" AR-10.
New extractor and "spring". The spring is actually a rubber mushroom.
New ejector and spring.
New firing pin.
New cam pin.
New firing pin retainer.
New gas rings.
Checked the gas-key, tight.
Checked the alignment of the gas tube against the key. Good.
Bolt got cleaned incidentally while I was doing all this part swapping.
Hopefully this cures its ills.
It worked fine for a couple hundred rounds in the .308 comparo we did, ain't been right since.
Hopefully that cleans it up!
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