Is Switchblades / Automatic Knives Legal in Massachusetts? (2026)
No — Switchblades / Automatic Knives are illegal in Massachusetts as of 2026.
Law changed in 2024: The state's highest court overturned the ban on carrying switchblades in August 2024 in the case of Commonwealth v. Canjura.
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Quick Answer
In Massachusetts, switchblades (automatic knives) are generally prohibited under M.G.L. c. 269, § 10(h), which bans possession of certain dangerous weapons including switchblades. Exceptions exist for law enforcement and certain occupational uses. The law specifically prohibits possession, sale, and transfer of switchblades.
What the Law Says
In 2024, the Massachusetts Supreme Judicial Court struck down the state's ban on switchblades, making them legal to possess and carry.
— Massachusetts General Laws, Chapter 269, Section 10
| Category | Details |
|---|---|
| Possession | Illegal to possess switchblades except for law enforcement or authorized persons. |
| Sale & Purchase | Illegal to sell or transfer switchblades within the state. |
| Penalties | Misdemeanor punishable by up to 2.5 years in jail and/or fines. |
| Age Restriction | None (possession is broadly prohibited regardless of age). |
| Pending Legislation | None known |
The state's highest court overturned the ban on carrying switchblades in August 2024 in the case of Commonwealth v. Canjura.
Enforcement Reality
In a landmark 2024 decision, the Massachusetts Supreme Judicial Court struck down the state's ban on carrying switchblades. Enforcement will now focus on unlawful intent.
A common mistake is to be unaware of this very recent change in the law. Many people and even some law enforcement officers may still believe that switchblades are illegal to carry.
Local Exceptions
None identified. State law applies uniformly across Massachusetts. Local ordinances may still vary — check with your city or county government for any additional rules.
Bottom Line
Switchblades / Automatic Knives are illegal in Massachusetts. Possession or use can result in criminal charges. Do not assume enforcement is lax — penalties are real. Consult a licensed attorney if you have specific questions.
Massachusetts vs. the Rest of the US
Across the US, carrying a switchblade is fully legal in 18 states, restricted in 17, and illegal in 15. Massachusetts falls in the ILLEGAL category.
View the full 50-state map →Neighboring States
Laws change at state lines. Here is how bordering states compare on Switchblades / Automatic Knives:
Body Armor Laws Guide
This topic is closely related to body armor and self-defense laws.
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Frequently Asked Questions
Is it legal to carry Switchblades / Automatic Knives in Massachusetts?
What are the penalties for carrying a switchblade in Massachusetts?
How strictly does Massachusetts enforce its switchblades / automatic knives laws?
What typically triggers enforcement in Massachusetts?
What is the age restriction for carrying a switchblade in Massachusetts?
Does the law on carrying a switchblade change at the Massachusetts border?
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Reviewed by cross-referencing the cited state statute against current legislative databases and regulatory publications.
Sources & Verification
This page was reviewed by Ethan Harper by comparing the legal status against the cited state statute. AllowedHere is an informational resource and does not provide legal advice. Consult a licensed attorney for guidance specific to your situation.
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Switchblades / Automatic Knives in Other States
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