There is a magazine restriction of 10 rounds in Massachusetts. Magazines that hold more than 10 rounds are grandfathered in, as long as they were owned before 09/13/1994, and the owner has a LTC-A.
+Q: Does Massachusetts support the castle doctrine?
+Q: Does Massachusetts have a "stand-your-ground" law?
+Q: Does Massachusetts uphold a peaceable journey?
+Q: Does Massachusetts have restrictions on assault weapons?
+Q: What NFA restrictions does Massachusetts have?