Updated August 2025

If you carry for protection, you need to know your state’s non-lethal self-defense laws. Pepper spray, tasers, stun guns, pocket knives, and other personal safety devices are legal in many places, but details vary by state and even by city. This guide summarizes self-defense weapons laws, spotlights common restrictions (age, container size, permits), and links to official sources so you can verify before you buy.

Important: Laws change. Always check your state or local government website for the latest rules in your area. Use this article as a starting point, not a substitute for official guidance.

These weapons are designed to incapacitate or deter an attacker without causing permanent harm, making them ideal for individuals seeking personal safety without the risks associated with firearms.

Non-lethal tools can stop a threat long enough to break contact, offering a legally accessible way of protecting yourself. These weapons are designed to incapacitate or deter an attacker without causing permanent harm.

Common options include pepper spray, a taser or stun gun, personal alarm, tactical flashlight, pocket knife, kubotan keychain, a self-defense baton, and (in some states) brass knuckles. Rules vary by device and location; typical limits include pepper-spray canister size, age minimums, where you can carry (e.g., schools), and whether a concealed-carry permit is required for tasers/stun guns.

Pick something you can carry daily and deploy under stress. Need a quick rundown before you choose? See our field guide to the best non-lethal self-defense options.

Practical notes by tool (skim this before you buy):

• Pepper spray: Simple to use; check size limits and restricted locations. Train for draw and aim under stress.
• Taser/Stun gun: More stopping power; some states require permits/background checks. Practice contact and probe deployment.
• Pocket knife: Highly “hands-on”; blade-length and concealed-carry rules vary by state/city. Know your local code.
• Self-defense baton: Effective impact tool, but carry/possession is tightly regulated in many jurisdictions. Get training.
• Brass knuckles: Legalized in some states, banned in others; don’t assume. Verify before carry.
• Personal alarm: Easiest to deploy; works best with movement to create distance and draw attention.
• Tactical flashlight: Legal almost everywhere; use for ID and disorientation, then move off-line.
• Kubotan/keychain: Requires close contact and technique; pair with training to be effective.

Just like gun laws, the legality of self-defense weapons differ widely, and some changed recently. Use the state-by-state summaries below for quick answers, plus notable restrictions (school grounds, purchase rules, permits). Each state includes a link to an official statute or agency page so you can verify the current state and local law.

• Pepper spray: Generally legal for adults; criminal use (e.g., during another offense or against an officer) is a felony. Avoid school grounds.
• Taser/Stun gun: Legal to possess; follow prohibited-location rules (e.g., schools).
• Source: Alabama Code Title 13A (weapons & school premises).

• Pepper spray: Generally legal; no specific statewide size limit noted. Standard “prohibited person”/misuse rules apply. Cannot ship pepper spray to Alaska.
• Taser/Stun gun: Legal; governed under weapons-misconduct statutes (e.g., misuse or certain circumstances).
• Source: Alaska Stat. §11.61 (weapons misconduct).

• Pepper spray: Legal for self-defense.
• Taser/Stun gun: Legal; statute addresses “remote stun guns” and misuse, including against officers.
• Source: A.R.S. §13-3117. Arizona Legislature

• Pepper spray: Legal for self-defense; container ≤300 ml (10.1 oz).
• Taser/Stun gun: Under 18 may not buy/possess; adults legal.
• Source: Ark. Code §5-73-124; §5-73-133.

• Pepper spray: Legal for self-defense; canisters up to 2.5 oz.
• Taser/Stun gun: Generally legal for most adults; minors need parental consent (≥16). Weapons banned on school grounds.
• Source: Cal. Penal Code §22810, 22610, 626.10.

• Pepper spray: Legal for self-defense; standard misuse rules.
• Taser/Stun gun: Legal; illegal use in a crime is a felony.
• Source: C.R.S. §18-12-106.5.

• Pepper spray: Legal for adults; misuse/locations still apply.
• Taser/Stun gun: Treated as “electronic defense weapons”; public carry and possession are regulated; review state definitions and offenses before carry.
• Source: CGS §53a-3(20); §53a-217.

• Pepper spray: Legal as “disabling chemical spray” under Title 11 definitions; use must be lawful.
• Taser/Stun gun: Legal for adults not otherwise prohibited; general weapons offenses still apply.
• Source: Del. Code tit. 11 §222 (definitions).

• Pepper spray: “Self-defense chemical spray” ≤2 oz; open carry explicitly allowed for self-defense.
• Taser/Stun gun: “Nonlethal” stun guns/dart-firing stun guns may be carried for lawful self-defense.
• Source: Fla. Stat. §790.001; §790.01/§790.053. Florida Senate

• Pepper spray: Legal; school-zone prohibitions apply.
• Taser/Stun gun: Generally legal; prohibited in school safety zones and certain locations.
• Source: O.C.G.A. §16-11-127.1 (school safety zones).

• Pepper spray: Legal for adults; product/sale rules apply. Cannot ship pepper spray to Hawaii.
• Taser/Stun gun: Legal since 1/1/2022; regulated (background check/authorized sellers, sensitive-place rules subsequently added).
• Source: Act 183 (2021); HRS Ch. 134 (electric guns). Hawaii State Legislature

• Pepper spray: Generally legal; standard misuse rules.
• Taser/Stun gun: Legal for adults; observe prohibited-person/location laws.
• Source: Idaho Code Title 18 (weapons offenses).

• Pepper spray: Generally legal; locations/misuse still apply.
• Taser/Stun gun: FOID card required to acquire/possess; carry in public subject to additional rules.
• Source: 430 ILCS 65/2; 720 ILCS 5/24-1. Illinois General Assembly

• Pepper spray: Legal; standard misuse rules.
• Taser/Stun gun: Legal for adults; follow location restrictions.
• Source: Indiana Code Title 35 (weapons).

• Pepper spray: Legal; misuse and certain locations restricted.
• Taser/Stun gun: Legal; check local restrictions and state preemption updates.
• Source: Iowa Code Ch. 724.

• Pepper spray: Legal; misuse prohibited.
• Taser/Stun gun: Legal; observe location restrictions.
• Source: Kansas Stat. Annotated Ch. 21 (weapons).

• Pepper spray: Legal to carry.
• Taser/Stun gun: Legal; standard prohibited-person and location rules apply.
• Source: KRS Ch. 237 & 527.

• Pepper spray: Legal; misuse prohibited.
• Taser/Stun gun: Legal; follow general weapons rules/locations.
• Source: La. R.S. Title 14 (weapons).

• Pepper spray: Legal; misuse/assault statutes apply.
• Taser/Stun gun: Legal; general restrictions apply.
• Source: Me. Rev. Stat. Title 25/17-A.

• Pepper spray: Legal for adults; some localities formerly restricted (now preempted); verify locations.
• Taser/Stun gun: Legal for adults; prohibited-person/location rules apply.
• Source: Md. Code, Crim. Law & Pub. Safety.

• Pepper spray (mace): Adults 18+ may purchase/carry without FID; prohibited persons restricted.
• Taser/Stun gun: Legal but regulated like firearms (licensing/storage/dealer rules).
• Source: MGL c.140 §§122C, 122D, 131J; state guidance. Mass.gov

• Pepper spray: Legal with formulation/volume limits for certain agents; misuse penalized.
• Taser/Stun gun: Legal for adults; follow general weapons rules and prohibited locations.
• Source: MCL §750.224 (and related).

• Pepper spray: Legal; misuse/location restrictions apply.
• Taser/Stun gun: Legal; prohibited-person rules.
• Source: Minn. Stat. §609.66 (dangerous weapons).

• Pepper spray: Generally legal; misuse restricted.
• Taser/Stun gun: Legal; follow general rules.
• Source: Miss. Code §97-37.

• Pepper spray: Legal; misuse/location rules.
• Taser/Stun gun: Legal; prohibited-person/location rules.
• Source: RSMo Ch. 571.

• Pepper spray: Legal; general misuse rules.
• Taser/Stun gun: Legal; standard location restrictions.
• Source: MCA Title 45.

• Pepper spray: Legal; misuse restricted.
• Taser/Stun gun: Legal; follow local ordinances and state law.
• Source: Neb. Rev. Stat. §28-1201 et seq.

• Pepper spray: Legal; misuse/location limits.
• Taser/Stun gun: Legal; prohibited-person rules.
• Source: NRS Ch. 202.

• Pepper spray: Legal.
• Taser/Stun gun: Legal; follow general rules.
• Source: N.H. Rev. Stat. Ann. (RSA) 159.

• Pepper spray: Legal for adults (18+); personal-defense sprays up to 0.75 oz.
• Taser/Stun gun: Ban ended by 2017 consent order; legal for adults, with minors/prohibited-person limits.
• Source: N.J.S.A. 2C:39-6(i); NJ AG/NJSP materials. NJ.gov

• Pepper spray: Legal; misuse restricted.
• Taser/Stun gun: Legal; follow general rules.
• Source: NMSA Ch. 30.

• Pepper spray: Legal for adults; must be purchased in person from licensed sellers; PPB-17 form used by dealers.
• Taser/Stun gun: Statewide ban found unconstitutional by federal court in 2019; subsequent NYC/state litigation has produced conflicting outcomes; check local rules, especially in NYC.
• Source: NY Penal Law §265.20 (self-defense spray); NYSP PPB-17.

• Pepper spray: Legal; misuse penalized; personal-defense sprays up to 150 cubic centimeters (~5.0 fl oz).
• Taser/Stun gun: Legal; follow location restrictions (e.g., schools/government).
• Source: N.C.G.S. Ch. 14.

• Pepper spray: Legal; misuse restricted.
• Taser/Stun gun: Legal; prohibited-person rules apply.
• Source: N.D.C.C. Title 62.1.

• Pepper spray: Legal; misuse penalized.
• Taser/Stun gun: Legal; follow general weapons/location rules.
• Source: Ohio Rev. Code Title 29.

• Pepper spray: Legal to carry for self-defense.
• Taser/Stun gun: Legal; standard restrictions apply.
• Source: 21 O.S. §1272.2 et seq.

• Pepper spray: Legal; misuse/location rules.
• Taser/Stun gun: Legal; prohibited-person rules apply.
• Source: ORS Ch. 166.

• Pepper spray: Legal; misuse penalized.
• Taser/Stun gun: Allowed for self-defense; statute defines offenses for unlawful use/possession.
• Source: 18 Pa.C.S. §908.1. Pennsylvania General Assembly

• Pepper spray: Legal; misuse penalized.
• Taser/Stun gun: Former ban struck down as unconstitutional in 2022; devices legal subject to general restrictions.
• Source: O’Neil v. Neronha (D.R.I. 2022).

• Pepper spray: Legal for adults; misuse/location rules.
• Taser/Stun gun: Legal; follow general restrictions.
• Source: S.C. Code Title 16.

• Pepper spray: Legal; misuse penalized.
• Taser/Stun gun: Legal; prohibited-person/location rules apply.
• Source: SDCL Title 22.

• Pepper spray: Legal; misuse/location rules.
• Taser/Stun gun: Legal; general restrictions apply.
• Source: Tenn. Code Ann. Title 39.

• Pepper spray: Legal to carry.
• Taser/Stun gun: Legal; standard restrictions.
• Notable: Brass knuckles were legalized in 2019 (HB 446).
• Source: Tex. Penal Code Ch. 46; HB 446. Texas Legislature Online

• Pepper spray: Legal; misuse penalized.
• Taser/Stun gun: Legal; follow general rules.
• Source: Utah Code Title 76.

• Pepper spray: Legal; misuse/location rules.
• Taser/Stun gun: Legal; general restrictions apply.
• Source: 13 V.S.A. §4016 et seq.

• Pepper spray: Legal; misuse penalized.
• Taser/Stun gun: Legal; follow location bans (e.g., some government buildings/schools).
• Source: Va. Code §18.2.

• Pepper spray: Legal; misuse/location limits.
• Taser/Stun gun: Legal; prohibited-person/location rules apply.
• Source: RCW Title 9A.

• Pepper spray: Legal; misuse penalized.
• Taser/Stun gun: Legal; general restrictions apply.
• Source: W. Va. Code §61-7.

• Pepper spray: Legal with specifications in statute; misuse (e.g., to cause bodily harm) penalized; statute exempts OC products in certain situations.
• Taser/Stun gun: Legal; follow general weapons/location rules.
• Source: Wis. Stat. §941.26(4). Wisconsin Legislative Documents

• Pepper spray: Legal; misuse penalized.
• Taser/Stun gun: Legal; general restrictions apply.
• Source: Wyo. Stat. Title 6 (offenses).

Start with legality. Confirm your state’s limits on pepper-spray capacity, taser/stun-gun purchase rules, carry locations (e.g., schools), and age/permit requirements. Then choose personal safety tools you can actually carry and deploy every day. Pepper spray and personal alarms are compact and simple. Tasers/stun guns add stopping power but demand practice and may have extra rules. If you carry a pocket knife or baton, learn your local blade-length and carry restrictions.

If you’re upgrading beyond the best non-lethal weapons, read our guide on is body armor legal where you live and how it fits into a layered defense plan. 

Pepper spray for self-defense is generally legal throughout the United States, but a few states add limits (e.g., container size, point-of-sale). Examples: California ≤2.5 oz; Florida ≤2 oz; New York requires in-person purchase from licensed sellers.

Usually no, but some states regulate purchase/possession or treat devices like firearms (e.g., Illinois FOID; Massachusetts licensing framework). Always check your state and any city rules.

Yes. School grounds and certain government facilities often prohibit weapons, including stun guns and sprays. California is a clear example.

Rules vary widely. Texas legalized knuckles in 2019, but other states still restrict them. As we've said, verify your state to be sure.

Self-defense sprays are legal with in-person purchase rules statewide. Electric weapons have seen conflicting court rulings; NYC maintains local restrictions, so check the latest before possession/carry.

Laws aren’t static. Check them before you carry, especially if you travel or move. Choose self defense products you can deploy quickly under stress, train with them, and carry consistently.

BLACK POWDER

 1. Can a person prohibited by law from possessing a firearm acquire and use a black powder  muzzle loading firearm?   The Gun Control Act of 1968 (GCA) prohibits felons and certain other persons from possessing or  receiving firearms and ammunition (“prohibited persons”). These categories can be found at 18  U.S.C. § 922(g) and (n) in http://atf.gov/publications/download/p/atf-p-5300-4.pdf.   However, Federal law does not prohibit these persons from possessing or receiving an antique  firearm. The term “antique firearm” means any firearm (including any firearm with a matchlock,  flintlock, percussion cap, or similar type of ignition system) manufactured in or before 1898. The  definition includes any replica of an antique firearm if it is not designed or redesigned for using  rimfire or conventional centerfire fixed ammunition, or uses rimfire or conventional centerfire  ammunition which is no longer manufactured in the United States, and which is not readily available  in ordinary channels of commercial trade. Further, any muzzle loading rifle, shotgun, or pistol which  is designed to use black powder or black powder substitute, and which cannot use fixed ammunition,  is an “antique firearm” unless it (1) incorporates a firearm frame or receiver; (2) is a firearm which is  converted into a muzzle loading weapon; or (3) is a muzzle loading weapon which can be readily  converted to fire fixed ammunition by replacing the barrel, bolt, breechblock, or any combination  thereof. See 18 U.S.C. § 921(a)(3), (a)(16).   Thus, a muzzle loading weapon that meets the definition of an “antique firearm” is not a firearm and  may lawfully be received and possessed by a prohibited person under the GCA.   In addition, the GCA defines the term “ammunition” to mean “ammunition or cartridge cases,  primers, bullets, or propellant powder designed for use in any firearm.” Because an “antique firearm”  is not a “firearm,” it would is lawful for a prohibited person to receive or possess black powder  designed for use in an “antique firearm.” Also, the Federal explosives laws do not make it unlawful  for a prohibited person to acquire and possess black powder in quantities not exceeding fifty pounds  if it is intended to be used solely for sporting, recreational, or cultural purposes in “antique firearms.”  See 18 U.S.C. § 845(a)(5)   By contrast, a prohibited person may not receive or possess black powder firearms that can be readily  converted to fire fixed ammunition by replacing the barrel, bolt, breechblock, or any combination  thereof. ATF has classified certain muzzle loading models as firearms. All of these models  incorporate the frame or receiver of a firearm that is capable of accepting barrels designed to fire  conventional rimfire or centerfire fixed ammunition. These muzzle loading models do not meet the  definition of “antique firearm” as that term is defined in 18 U.S.C. § 921(a)(16), and are “firearms”  as defined in 18 U.S.C. § 921(a)(3). Furthermore, as firearms, these and similar models, regardless of  the barrel installed on the firearm or provided with the firearm, are subject to all provisions of the  GCA. Persons who purchase these firearms from licensed dealers are required to fill out a Firearms  Transaction Record, ATF Form 4473, and are subject to a National Instant Criminal Background  Check System (NICS) check. Felons and other prohibited persons may not lawfully receive or  possess these firearms or ammunition.   The following is a list of weapons that load from the muzzle and are classified as firearms, not  antiques, under the GCA, because they incorporate the frame or receiver of a firearm:- 2 -   • Savage Model 10ML (early, 1st version)   • Mossberg 500 shotgun with muzzle loading barrel   • Remington 870 shotgun with muzzle loading barrel   • Mauser 98 rifle with muzzle loading barrel   • SKS rifle with muzzle loading barrel   • PB sM10 pistol with muzzle loading barrel   • H&R/New England Firearm Huntsman   • Thompson Center Encore/Contender   • Rossi .50 muzzle loading rifle   This list is not complete and frequently changes. There may be other muzzle loaders also classified as  firearms. As noted, any muzzle loading weapon that is built on a firearm frame or receiver falls  within the definition of a firearm provided in 18 U.S.C. § 921(a)(3).   Finally, even though a prohibited person may lawfully possess an antique firearm under Federal law,  State or local law may classify such weapons as “firearms” subject to regulation. Any person  considering acquiring a black powder weapon should contact his or her State Attorney General’s  Office to inquire about the laws and possible State or local restrictions. A list of State Attorney  General contact numbers may be found at www.naag.org.