HI SB401

Prohibits the manufacture, possession, sale, transfer, or acquisition of assault rifles, assault shotguns, and .50 caliber firearms in Hawaii, effective January 1, 2026

Expands the existing ban on detachable magazines with capacity exceeding 10 rounds from pistols only to all firearms

Allows current owners who lawfully possessed assault rifles, assault shotguns, or high-capacity magazines before January 1, 2026 to keep them if they register with county police by July 1, 2026, store them in locked containers, and use them only on private property, at licensed ranges, or during transport

Requires the State to provide fair market value compensation if it mandates surrender or seizure of any firearm or magazine lawfully possessed before January 1, 2026

Exempts subsistence hunting under traditional Native Hawaiian practices and invasive species control authorized by the Department of Land and Natural Resources from the restrictions