← Massachusetts firearms laws›Magazine Capacity

Massachusetts Magazine Capacity Laws (2026)

Restricted: In Massachusetts it is illegal to sell, transfer, or possess a magazine that holds more than 10 rounds unless it was grandfathered before September 13, 1994.

RestrictedVerified May 31, 2026

Carrying across state lines?The free LawLert iPhone app alerts you at each state line with whether that state lists your permit as recognized. No account.Get the app

In Massachusetts it is illegal to sell, transfer, or possess a magazine that holds more than 10 rounds unless it was grandfathered before September 13, 1994. Treat 10 rounds as the limit.

Official source: mass.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 app

Track this law — get alerted when it changes

We watch the official sources behind Massachusetts firearms rules. If a tracked rule changes, you get one short email — never more than one a week. Free, unsubscribe anytime.