Haw. Rev. Stat. § 134-101
As used in this part:
"Firearm accessory" means an attachment or device designed or adapted to be inserted into, affixed onto, or used in conjunction with a firearm that is designed, intended, or functions to alter or enhance the firing capabilities of the firearm, the lethality of the firearm, or a shooter's ability to hold or use a firearm.
"Firearm industry member" means a person, firm, corporation, company, partnership, society, joint stock company, or any other entity or association engaged in the manufacture, distribution, importation, marketing, wholesale, or retail sale of firearm-related products.
"Firearm precursor part" means any forging, casting, printing, extrusion, machined body, or similar article that has reached a state in manufacture where it may readily be completed, assembled, or converted to be used as the frame or receiver of a functional firearm, or that is marketed or sold to the public to become or be used as the frame or receiver of a functional firearm once completed, assembled, or converted.
"Firearm-related product" means a firearm, ammunition, a firearm precursor part, a firearm component, or a firearm accessory that meets any of the following conditions:
(3) The item is or was possessed in the State and it was reasonably foreseeable that the item would be possessed in the State.
"Reasonable controls" means reasonable procedures, acts, or practices that are designed, implemented, and enforced to do the following:
[L 2023, c 28, pt of §1]