Apparently this is good to go in 49 states. Is this the only thing that you can get in Mass that isn't regulated?? That won't last long...
http://bgr.com/2015/07/31/x15-flamethrower-price-1600-dollars/
http://www.engadget.com/2015/03/19/49-state-legal-personal-flamethrower/
http://bgr.com/2015/07/31/x15-flamethrower-price-1600-dollars/
http://www.engadget.com/2015/03/19/49-state-legal-personal-flamethrower/