Are Butterfly Knives Legal in Arizona? (2026)
Yes — Butterfly Knives are legal in Arizona as of 2026.
Quick Answer
Butterfly knives are legal to own and carry in Arizona with no specific restrictions beyond general knife laws. No significant legislative changes since the major liberalization of knife laws in 2011.
- Age restriction: 18+ for purchase
What the Law Says
Arizona has no laws restricting the possession or carry of butterfly knives for adults.
— ARS 13-3102
| Category | Details |
|---|---|
| Possession | Legal |
| Sale & Purchase | Legal |
| Penalties | N/A |
| Age Restriction | 18+ for purchase |
| Pending Legislation | None known |
No significant legislative changes since the major liberalization of knife laws in 2011.
Enforcement Reality
Arizona has highly permissive knife laws; enforcement is minimal unless the knife is used in a crime. Law enforcement views knives as tools.
A common mistake is for individuals under 21 to carry a butterfly knife, which is illegal. Only pocket knives are permissible for those under 21.
Local Exceptions
None identified. State law applies uniformly across Arizona. Local ordinances may still vary — check with your city or county government for any additional rules.
Real-World Scenarios: Butterfly Knives in Arizona
Can You Fly With Butterfly Knives Out of Arizona?
Butterfly Knives may be legal in Arizona, but airports are federal territory. TSA screens under federal rules, not state law. If the item is federally restricted, expect problems at the checkpoint. Even if it clears TSA, the laws of your destination state apply the moment you land. Plenty of travelers have learned this the hard way — legal when they packed, criminal when they arrived.
Can You Cross State Lines With Butterfly Knives From Arizona?
This is where people get burned. Arizona treats butterfly knives as legal, but neighboring California treats it as restricted. 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 Arizona/California border are known enforcement corridors. If you're driving with out-of-state plates in a state where butterfly knives is illegal, you're a target.
Bottom Line
Butterfly Knives are legal in Arizona. You can carry them without violating state law, though federal rules and local ordinances may still apply. Always verify current law before acting.
Arizona vs. the Rest of the US
Across the US, carrying a butterfly knife is fully legal in 39 states, restricted in 10, and illegal in 1. Arizona falls in the LEGAL category.
View the full 50-state map →Reviewed by cross-referencing the cited state statute against current legislative databases and regulatory publications.
Sources & Verification
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.
Comprehensive Arizona Legal Guides
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