Here are some useful links:

Download Massachusetts LTC/FID application here

Join the NRA here

Join the Gun Owner's Action League (GOAL) here

Join Northeastshooter's Forum here

Join GunsAmerica here

Link to the MA Firearms Transfer form eFA 10 here

Link to the actual MA laws here

Link to information for a stolen/lost firearm here

Here are some FFL dealers in the area:

Four Seasons Firearms
76 Winn St.
Woburn, MA

Zero Hour Arms
7 Renker Drive 
Easton, MA 

Ron's Sports Shop
13 Russells Mills Rd
South Dartmouth, MA

JES Supply Depot
51 E. Howland Rd
East Freetown, MA

M&M Plimouth Bay Outfitters
6 Main Street
Plymouth, MA 02360