Is Open Carry Legal in Montana? (2026)

RESTRICTED
Confidence: High

Partially — Open Carry is legal with restrictions in Montana as of 2026.

Key Restriction
Age restriction: 18+ for long guns, 21+ for handguns
Penalty
No criminal penalty for legal open carry.
Last Updated
2026-03-25

Law changed in 2021: Montana expanded its permitless carry law in 2021 to cover more locations, solidifying its status as a constitutional carry state.

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Quick Answer

Open carry of firearms is legal with restrictions in Montana without a permit for adults who are legally allowed to possess firearms. Montana expanded its permitless carry law in 2021 to cover more locations, solidifying its status as a constitutional carry state.

Key Conditions & Exceptions:
  • Age restriction: 18+ for long guns, 21+ for handguns

What the Law Says

Montana law permits open carry of firearms without a permit for anyone 18 or older who can legally possess a firearm. There are no criminal penalties for lawful open carry.

Mont. Code Ann. § 45-3-111
Category Details
Open Carry Rules Legal without permit for eligible adults
Permit Requirements Legal through licensed dealers
Penalties Prohibited in certain locations (schools, courthouses, etc.).
Minimum Age 18+ for long guns, 21+ for handguns
Pending Legislation None known
Recent Changes

Montana expanded its permitless carry law in 2021 to cover more locations, solidifying its status as a constitutional carry state.

Enforcement Reality

Montana is a constitutional carry state, allowing for both open and concealed carry without a permit for anyone who can legally possess a firearm. Open carry is a common practice in the state.

Charge Level
No criminal penalty for legal open carry.
Enforcement Likelihood
Very low, as open carry is legal without a permit.
Common Triggers
Carrying in a prohibited location or being a prohibited possessor.
Common Mistakes

A common mistake is carrying a firearm into a school building or a place where it is prohibited by federal law. Private property owners can also restrict firearms.

Local Exceptions

None identified. State law applies uniformly across Montana. Local ordinances may still vary — check with your city or county government for any additional rules.

Bottom Line

Open Carry is legal with restrictions in Montana. This activity is permitted, but specific conditions apply. Violating those conditions can result in fines or criminal charges. Read the rules carefully and consult an attorney if unsure.

Montana vs. the Rest of the US

Across the US, open carrying a firearm is fully legal in 0 states, restricted in 45, and illegal in 5. Montana falls in the RESTRICTED category.

View the full 50-state map →

Neighboring States

Laws change at state lines. Here is how bordering states compare on Open Carry:

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Frequently Asked Questions

Is open carrying a firearm legal in Montana?
Partially — Open Carry is legal with restrictions in Montana as of 2026. Open carry of firearms is legal with restrictions in Montana without a permit for adults who are legally allowed to possess firearms. Montana expanded its permitless carry law in 2021 to cover more locations, solidifying its status as a constitutional carry state.
What are the restrictions on open carrying a firearm in Montana?
Legal without permit for eligible adults. Legal through licensed dealers
What mistakes do people make with open carrying a firearm in Montana?
A common mistake is carrying a firearm into a school building or a place where it is prohibited by federal law. Private property owners can also restrict firearms.
What is the minimum age for open carrying a firearm in Montana?
18+ for long guns, 21+ for handguns

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EH
Ethan Harper Independent Legal Researcher

Reviewed by cross-referencing the cited state statute against current legislative databases and regulatory publications.

Last reviewed: 2026-03-25 Method: Statute cross-reference

Sources & Verification

1.
Primary Citation
2.
Statute Summary
Montana law permits open carry of firearms without a permit for anyone 18 or older who can legally possess a firearm. There are no criminal penalties for lawful open carry.
Verified: 2026-03-25 Reviewed by: Ethan Harper Method: Statute cross-reference Confidence: High

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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