Right from Bowers 'Good Guy' list...
Stan Andrewski
Specialties: Class 2
741 Battle Street
Webster, NH 03303
Phone: (603) 746-4387
Frank Ferrante - Frank's Gun Shop LLC
Specialties: Class 3
P.O. Box 532
Weare, NH 03281
Phone: (603) 529-0338
I think Jim McCloud (JLM) is in NH also - highly recommended if he's still in business and you can find a number.