Federal Judge Backs Hawaii's 18-to-20 Gun Ban Using Founding-Era Doctrine
A federal judge has upheld Hawaii's firearm restrictions barring adults ages 18 to 20 from purchasing or possessing guns. The court relied on the Founding-era Infancy Doctrine—a colonial-era legal principle that treated young adults as legally incompetent—to satisfy the historical-tradition test established in New York State Rifle & Pistol Association v. Bruen. The ruling marks the first major appellate test of age-based gun restrictions under Bruen's framework.
Key Details
- The judge upheld Hawaii's ban on firearm sales and possession for ages 18–20, finding historical support in 18th-century English and American law.
- The court applied the Infancy Doctrine, which historically classified individuals under 21 as lacking legal capacity in property and contract matters.
- Hawaii's restrictions include both purchase bans and possession prohibitions for the targeted age group, among the nation's strictest age-based gun laws.
Why It Matters for Gun Owners
This ruling directly affects anyone 18–20 in Hawaii seeking to exercise Second Amendment rights. Young adults in other states should watch closely: the Infancy Doctrine argument could become a template for California, New York, or other anti-gun states pushing age restrictions upward. If this holds on appeal, it signals courts will accept Founding-era legal incapacity arguments as sufficient historical tradition under Bruen—even when the Founders themselves allowed 18-year-olds to bear arms in militia service. Gun owners in constitutional-carry and shall-issue states face less immediate risk, but the precedent weakens Bruen's promise to restore individual rights based on text and history.
DownRange Analysis
The court's reliance on the Infancy Doctrine is legally creative but historically questionable. Colonial America classified young men under 21 as infants in property law—yet the Founders armed 18-year-olds in militias and allowed them to own firearms. The judge separated property rights from gun rights to justify the restriction, a distinction the Bruen majority did not suggest. Expect appeals to the Ninth Circuit, which has already been skeptical of Hawaii's gun laws but now faces a trial court decision claiming historical grounding. This ruling will likely prompt similar age-restriction bills across blue states. Gun owners should support challenges through groups like SAF or NRA-ILA and monitor appellate outcomes closely.




