Maine Gun Laws - 2026 Complete Guide

Last verified: 2026-01-01 | Not legal advice - verify with your state AG

Legal Permitless / Constitutional Carry Castle Doctrine Constitutional Carry Red Flag Law
⚠️ This is not legal advice. Gun laws change frequently. Always verify current laws with your state attorney general or a licensed firearms attorney before carrying.

Quick Reference: Maine Gun Laws

Open CarryLegal
Concealed CarryPermitless / Constitutional Carry
Permit RequiredNo - permitless carry
Permit CostN/A (No permit required)
Permit ValidityN/A
Waiting PeriodNone
Background CheckRequired
Castle Doctrine✓ Yes
Stand Your Ground✕ No
Red Flag Law✕ Yes (ERPO exists)
Magazine LimitNone
SuppressorsLegal (NFA rules apply)
NFA ItemsAll legal (federal rules apply)

Open Carry Laws in Maine

Open carry is legal in Maine for anyone who is legally allowed to possess a firearm. No permit is required to openly carry a holstered handgun or a long gun in public, subject to restricted location laws.

Concealed Carry Laws in Maine

Maine is a constitutional carry state. Anyone who is legally allowed to possess a firearm may carry concealed without a permit. Maine has had constitutional carry since October 2015. Optional Maine Concealed Handgun Permit available for reciprocity.

Where You Cannot Carry in Maine

The following locations generally prohibit firearms carry in Maine. This list is not exhaustive - always verify current law before carrying in any location.

  • Schools
  • Government Buildings
  • Courts
  • Correctional Facilities

Federal law also prohibits carry in federal buildings, national parks ranger stations, and other federal facilities regardless of state law.

Optional Maine CCW Permit

Maine has had constitutional carry since October 2015. Optional Maine Concealed Handgun Permit available for reciprocity.

Even though Maine does not require a permit to carry, obtaining an optional permit allows you to carry in other states that have reciprocity agreements with Maine but require a permit from your home state.

Apply for Optional Maine Permit

CCW Reciprocity for Maine

States that honor your Maine permit (28)

Maine honors permits from (30)

View Full CCW Reciprocity Map
Reciprocity agreements change frequently. Always verify current reciprocity with the issuing state's law enforcement agency before traveling. Some states have additional requirements beyond permit reciprocity.
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Maine Gun Law Cheat Sheet - Free PDF

Download our one-page quick reference for Maine gun laws. Open carry rules, carry restrictions, permit info, and CCW reciprocity at a glance. Keep it in your range bag.

Frequently Asked Questions: Maine Gun Laws

Does Maine have a duty to retreat?
Maine has castle doctrine but generally requires a duty to retreat outside the home before using deadly force.
Does Maine have a red flag law?
Yes. Maine enacted a Yellow Flag law (not quite red flag) in 2020 requiring mental health evaluation before firearms removal.

Shooting Ranges in Maine

Find pistol ranges, rifle ranges, and indoor/outdoor shooting facilities in Maine. Filter by type, features, and location.

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Neighboring State Gun Laws