I have had a couple new shot guns do this and it was because of the machining oil used in making it I just pulled it all apart and cleaned everything and put it back together and all was fixed. Also had a friend whos remington 700 would not fire, the firing pin would not move, I pulled the bolt apart and it looked like tar in side it. he would spray oil down thru the firing pin hole in the bolt face and after years the gunk built up and the pin stuck. Just something to think about.
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