US lawMassachusettsRegulations501 CMR — Executive Office of Public Safety and Security501 CMR 7.00 — Approved weapon rosters7.01501 CMR 7.01PurposeYear: 2026Length: 34 wordsOfficial source The purpose of 501 CMR 7.00 is to provide rules and regulations governing the inclusion of firearms, rifles and shotguns on rosters of weapons referred to in M.G.L. c. 140, §§ 123 and 131¾.Next501 CMR 7.02