Quote Originally Posted by LHitchcox View Post
Double check the action screws. One may be just a bit too tight and in contact with the bolt body. I have had to bring some stock screws down about one thread.
That would be my guess. Front action screw. You can also check but marking the bolt side of the recoil lug black sharpie, inserting the bolt and cycle a few times to see if any of the sharpie marks so contact. Tim