DO NOT USE! Ruined the barrel on my Rem 700 Long range 7mm PRC. Greased it and set the lock nuts perfectly so the guides would not wobble but spin freely. The guide was not the proper size for my 7mm barrel it was too sloppy. I greased the entire shift to ensure it would spin and not chew my rifle or mar my muzzle, it still messed it up and did not cut a square shoulder. Shot it after the work and
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