Is Constitutional Carry (Permitless Concealed Carry) Legal in Montana? (2026)

RESTRICTED
Confidence: High

Partially — Constitutional Carry (Permitless Concealed Carry) is legal with restrictions in Montana as of 2026.

Key Restriction
Age restriction: 18 years old minimum for permitless carry
Penalty
No criminal penalty for lawful permitless carry; penalties apply for prohibited persons carrying firearms (level depends on specific prohibition).
Last Updated
2026-03-25

Law changed in 2021: The constitutional carry law was significantly expanded in 2021, effectively eliminating most gun-free zones. There have been no major changes since, but there are ongoing discussions about the law's impact on school safety.

Quick Answer

Montana allows permitless concealed carry for residents 18 and older under Montana Code Annotated § 45-8-321. No permit is required to carry a concealed firearm if the person is legally allowed to possess one.

Key Conditions & Exceptions:
  • Age restriction: 18 years old minimum for permitless carry

What the Law Says

Montana law allows residents 18 and older to carry a concealed firearm without a permit, provided they are legally permitted to possess a firearm. This permitless carry does not apply to federally prohibited locations or individuals.

Montana Code Annotated § 45-8-321
Category Details
Permitless Carry Rules Legal to carry concealed without a permit if 18 or older and not prohibited.
Permit Availability Sales regulated under state and federal law; background checks required for licensed dealers.
Penalties N/A for lawful permitless carry; penalties apply for prohibited persons carrying firearms.
Minimum Age 18 years old minimum for permitless carry.
Pending Legislation None known
Recent Changes

The constitutional carry law was significantly expanded in 2021, effectively eliminating most gun-free zones. There have been no major changes since, but there are ongoing discussions about the law's impact on school safety.

Enforcement Reality

Montana has a broad constitutional carry law, and enforcement is generally focused on ensuring that firearms are not carried in prohibited locations, such as federal buildings. The law is widely accepted and understood.

Charge Level
No criminal penalty for lawful permitless carry; penalties apply for prohibited persons carrying firearms (level depends on specific prohibition).
Enforcement Likelihood
Low for lawful permitless carry, as the law is widely accepted and understood. High for prohibited persons or carrying in restricted locations.
Common Triggers
Carrying a firearm in a federally prohibited location (e.g., federal building, post office).Being a prohibited person (e.g., convicted felon, domestic violence offender) in possession of a firearm.Discharging a firearm unlawfully or in a reckless manner.Brandishing a firearm in a threatening manner.
Common Mistakes

A common mistake is not being aware of the few remaining restrictions on where firearms can be carried, such as in federal buildings. Another is the misconception that the law eliminates the need for a permit for reciprocity with other states.

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.

Real-World Scenarios: Constitutional Carry (Permitless Concealed Carry) in Montana

Can You Cross State Lines With Constitutional Carry (Permitless Concealed Carry) From Montana?

This is where people get burned. Montana treats constitutional carry (permitless concealed carry) as restricted, but neighboring North Dakota treats it as legal. The law changes at the state line — not gradually, not with a warning sign, instantly. "I bought it legally" is not a defense in the new state. Interstate highways near the Montana/North Dakota border are known enforcement corridors. If you're driving with out-of-state plates in a state where constitutional carry (permitless concealed carry) is illegal, you're a target.

Bottom Line

Constitutional Carry (Permitless Concealed 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, carrying a concealed weapon without a permit is fully legal in 23 states, restricted in 14, and illegal in 13. Montana falls in the RESTRICTED category.

View the full 50-state map →
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

2.
Statute Summary
Montana law allows residents 18 and older to carry a concealed firearm without a permit, provided they are legally permitted to possess a firearm. This permitless carry does not apply to federally pro…
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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