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Montana

MT
permissive

Firearm Regulations

Assault Weapon Ban
No
Mag Capacity Limit
No
Permit to Purchase
No
Firearm Registration
No
Concealed Carry
Permitless (18+)
Open Carry
Yes, no permit
Red Flag Law
No
Background Check (Private)
No
NFA Weapons
Unrestricted
State Preemption
Yes

Key Notes

Permitless carry since February 2021. Localities can regulate open carry in publicly owned occupied buildings. No assault weapon or magazine restrictions.

  • Permitless (18+)Adults 18 and older can carry concealed without a permit since February 2021.
  • Yes, no permit (Open Carry)Open carry of handguns and long guns is legal without a permit. Localities may restrict open carry inside publicly owned occupied buildings.
  • Unrestricted (NFA)All NFA items (SBRs, SBS, suppressors, machine guns, destructive devices) are legal with the federal tax stamp.
  • State Preemption: YesState law preempts local firearm regulations, with the exception that localities can restrict open carry in publicly owned occupied buildings.
  • No Background Check (Private)Private sales between individuals do not require a background check.

Last updated January 15, 2026

Legal Disclaimer: This page is for informational and educational purposes only and does not constitute legal advice. Firearm laws change frequently and vary by jurisdiction. Always verify current regulations with official state sources, a qualified attorney, or local law enforcement before making purchasing or carrying decisions. GunPartPicker is not responsible for errors, omissions, or actions taken based on this information.