I have read in a few places that the parkerized finish on the bolt and the action can have a tendency to make the action tight. The quick fix was to coat the lugs with some 600 grit lapping compound on the back of the lugs, cycling the action until it frees up a bit. Clean out, and repeat as necessary.
I've never done this, so you might want to repeat this post over in the smithy section of TFL. I can imagine that there is such a thing as over doing it.
My action was a little tight when new. It improved over the first couple hundred rounds. Now I don't notice it at all. Fixed itself I reckon.
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~Mark
NRA Endowment FTW
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