Check out this website, he has your reamer, does Duracoat, also has a quick turn around time.
Montour County Rifles
Yes, read good things about Kevin. And he's also a supporting sponsor of this Forum. I sent a Rem M700 bolt to Kevin for a Sako extractor installation. Had it back in about 10 days, Sako extractor installed with tender loving care. That included shipping from and back to Alaska.