← Massachusetts knife laws›Switchblade & Automatic Knife Laws
Massachusetts Switchblade & Automatic Knife Laws (2026)
Permitted: G.L. c.269 10(b) bans carrying automatic knives over 1.5 in., but Commonwealth v. Canjura (SJC, 2024) struck that switchblade ban as unconstitutional — autos are now legal to own and carry.
G.L. c.269 10(b) bans carrying automatic knives over 1.5 in., but Commonwealth v. Canjura (SJC, 2024) struck that switchblade ban as unconstitutional — autos are now legal to own and carry.
Official source: malegislature.gov →
General legal information, not legal advice — verify important decisions with a licensed attorney.
Don't get caught off guardCross into a state where this law is different and the free iPhone app tells you what changed, even with the app closed. It also alerts you when a law you track changes where you live. No account.Get the free appWe watch the official sources behind Massachusetts knives rules. If a tracked rule changes, you get one short email — never more than one a week. Free, unsubscribe anytime.