; or (2) locked by a secure gun storage or safety device that the prohibited individual has no ability to access. . (b) Identification markings for semiautomatic assault weapons Section 923(i) of title 18, United States Code, is amended by adding at the end the following: The serial number of any semiautomatic assault weapon manufactured after the date of enactment of the Assault Weapons Ban of 2017 shall clearly show the date on which the weapon was manufactured or made, legibly and conspicuously engraved or cast on the weapon, and such other identification as the Attorney General shall by regulations prescribe. . (c) Identification markings for large capacity ammunition feeding devices Section 923(i) of title 18, United States Code, as amended by this Act, is amended by adding at the end the following: A large capacity ammunition feeding device manufactured after the date of enactment of the Assault Weapons Ban of 2017 shall be identified by a serial number and the date on which the device was manufactured or made, legibly and conspicuously engraved or cast on the device, and such other identification as the Attorney General shall by regulations prescribe. . (d) Seizure and forfeiture of large capacity ammunition feeding devices Subsection (d) of section 924 of title 18, United States Code, is amended— (1) in paragraph (1)— (A) by inserting or large capacity ammunition feeding device after firearm or ammunition each time it appears; (B) by inserting or large capacity ammunition feeding device after firearms or ammunition each time it appears; and (C) by striking or (k) and inserting (k), (r), (v), or (w) ; (2) in paragraph (2)— (A) in subparagraph (C), by inserting or large capacity ammunition feeding devices after firearms or quantities of ammunition