Untraceable firearms; class E or D felony.
Del. Code tit. 11, § 1463
in effect(a) A person is guilty of possessing an untraceable firearm when then person knowingly possesses an untraceable firearm, except as provided under subsection (f) of this section.
(b) A person is guilty of manufacturing an untraceable firearm when the person knowingly manufactures, assembles, causes to be manufactured or assembled, sells, or transfers an untraceable firearm, except that a transfer solely for serialization under subsection (f) of this section is not a violation.
(c) A person is guilty of manufacturing or distributing a firearm using a 3-dimensional printer when the person does any 1 of the following:
(1) Uses a 3-dimensional printer or similar device to manufacture or produce a firearm, firearm receiver, or major firearm component when not licensed as a manufacturer.
(2) Distributes by any means, including the internet, to a person who is not licensed as a manufacturer, instructions in the form of computer-aided design files or other code or instructions stored and displayed in electronic format as a digital model that may be used to program a 3-dimensional printer to manufacture or produce a firearm, firearm receiver or major component of a firearm.
(d) Possession of an untraceable firearm is a class E felony.
(e) Manufacturing an untraceable firearm or manufacturing or distributing a firearm using a 3-dimensional printer is a class D felony.
(f) (1) Notwithstanding subsections (a) and (b) of this section, a person who lawfully possessed a firearm that does not bear a serial number prior to September 3, 2026, or who lawfully acquired such firearm in another jurisdiction and subsequently moved into this State, may retain possession of the firearm only if, within 6 months of establishing residency in this State or by March 3, 2027, whichever is later, the person does 1 of the following:
a. Has the firearm imprinted with a serial number by a federally licensed firearm dealer or federally licensed firearm manufacturer in accordance with federal law.
b. Renders the firearm permanently inoperable.
(2) A federally licensed firearm dealer or federally licensed firearm manufacturer may imprint a serial number under paragraph (f)(1)a. of this section. The serial number must comply with 18 U.S.C. § 923(i) and applicable federal regulations, including minimum size and depth requirements.
(3) The licensee must maintain records of serialization and transfer in accordance with federal law.
(4) The return of a newly serialized firearm constitutes a transfer subject to a background check under § 1448A of this title. If the transfer is denied, the licensee must surrender the item to law enforcement.
(5) A temporary transfer solely for the purpose of serialization under this subsection is not unlawful manufacture, possession, or transfer.
Source: DE Code (Official Site)URL: https://delcode.delaware.gov/title11/c005/sc07/index.htmlFetched: 10/4/2026