SECTION 1. SHORT TITLE.

    This Act may be cited as the ``High-Capacity Ammunition Magazine 
Ban of 2013''.

SEC. 2. DEFINITIONS.

    Section 921(a) of title 18, United States Code, is amended by 
inserting after paragraph (29) the following:
    ``(30) The term `large capacity ammunition feeding device'--
            ``(A) means a magazine, belt, drum, feed strip, or similar 
        device, including any such device joined or coupled with 
        another in any manner, that has an overall capacity of, or that 
        can be readily restored, changed, or converted to accept, more 
        than 10 rounds of ammunition; and
            ``(B) does not include an attached tubular device designed 
        to accept, and capable of operating only with, .22 caliber 
        rimfire ammunition.
    ``(31) The term `qualified law enforcement officer' has the meaning 
given the term in section 926B.''.

SEC. 3. RESTRICTIONS ON LARGE CAPACITY AMMUNITION FEEDING DEVICES.

    (a) In General.--Section 922 of title 18, United States Code, is 
amended by inserting after subsection (u) the following:
    ``(v)(1) It shall be unlawful for a person to import, sell, 
manufacture, transfer, or possess, in or affecting interstate or 
foreign commerce, a large capacity ammunition feeding device.
    ``(2) Paragraph (1) shall not apply to the possession of any large 
capacity ammunition feeding device otherwise lawfully possessed on or 
before the date of enactment of the High-Capacity Ammunition Magazine 
Ban of 2013.
    ``(3) Paragraph (1) shall not apply to--
            ``(A) the importation for, manufacture for, sale to, 
        transfer to, or possession by the United States or a department 
        or agency of the United States or a State or a department, 
        agency, or political subdivision of a State, or a sale or 
        transfer to or possession by a qualified law enforcement 
        officer employed by the United States or a department or agency 
        of the United States or a State or a department, agency, or 
        political subdivision of a State for purposes of law 
        enforcement (whether on or off duty), or a sale or transfer to 
        or possession by a campus law enforcement officer for purposes 
        of law enforcement (whether on or off duty);
            ``(B) the importation for, or sale or transfer to a 
        licensee under title I of the Atomic Energy Act of 1954 for 
        purposes of establishing and maintaining an on-site physical 
        protection system and security organization required by Federal 
        law, or possession by an employee or contractor of such 
        licensee on-site for such purposes or off-site for purposes of 
        licensee-authorized training or transportation of nuclear 
        materials;
            ``(C) the possession, by an individual who is retired in 
        good standing from service with a law enforcement agency and is 
        not otherwise prohibited from receiving ammunition, of a large 
        capacity ammunition feeding device--
                    ``(i) sold or transferred to the individual by the 
                agency upon such retirement; or
                    ``(ii) that the individual purchased, or otherwise 
                obtained, for official use before such retirement; or
            ``(D) the importation, sale, manufacture, transfer, or 
        possession of any large capacity ammunition feeding device by a 
        licensed manufacturer or licensed importer for the purposes of 
        testing or experimentation authorized by the Attorney General.
    ``(4) For purposes of paragraph (3)(A), the term `campus law 
enforcement officer' means an individual who is--
            ``(A) employed by a private institution of higher education 
        that is eligible for funding under title IV of the Higher 
        Education Act of 1965 (20 U.S.C. 1070 et seq.);
            ``(B) responsible for the prevention or investigation of 
        crime involving injury to persons or property, including 
        apprehension or detention of persons for such crimes;
            ``(C) authorized by Federal, State, or local law to carry a 
        firearm, execute search warrants, and make arrests; and
            ``(D) recognized, commissioned, or certified by a 
        government entity as a law enforcement officer.''.
    (b) Identification Markings for Large Capacity Ammunition Feeding 
Devices.--Section 923(i) of title 18, United States Code, is amended by 
adding at the end the following: ``A large capacity ammunition feeding 
device manufactured after the date of enactment of the High-Capacity 
Ammunition Magazine Ban of 2013 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.''.
    (c) Seizure and Forfeiture of Large Capacity Ammunition Feeding 
Devices.--Section 924(d) 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 
                place the term appears;
                    (B) by inserting ``or large capacity ammunition 
                feeding device'' after ``firearms or ammunition'' each 
                place the term appears; and
                    (C) by striking ``or (k)'' and inserting ``(k), or 
                (v)'';
            (2) in paragraph (2)(C), by inserting ``or large capacity 
        ammunition feeding devices'' after ``firearms or quantities of 
        ammunition''; and
            (3) in paragraph (3)(E), by inserting ``922(v),'' after 
        ``922(n),''.

SEC. 4. PENALTIES.

    Section 924(a)(1)(B) of title 18, United States Code, is amended by 
striking ``or (q)'' and inserting ``(q), or (v)''.

SEC. 5. USE OF BYRNE GRANTS FOR BUY-BACK PROGRAMS FOR LARGE CAPACITY 
              AMMUNITION FEEDING DEVICES.

    Section 501(a)(1) of the Omnibus Crime Control and Safe Streets Act 
of 1968 (42 U.S.C. 3751(a)(1)) is amended by adding at the end the 
following:
                    ``(H) Compensation for surrendered large capacity 
                ammunition feeding devices, as that term is defined in 
                section 921 of title 18, United States Code, under buy-
                back programs for large capacity ammunition feeding 
                devices.''.

SEC. 6. SEVERABILITY.

    If any provision of this Act, an amendment made by this Act, or the 
application of such provision or amendment to any person or 
circumstance is held to be unconstitutional, the remainder of this Act, 
the amendments made by this Act, and the application of such provision 
or amendment to any person or circumstance shall not be affected 
thereby.
Output: High-Capacity Ammunition Magazine Ban of 2013 - Amends the Brady Handgun Violence Prevention Act to prohibit the importation, sale, manufacture, transfer, or possession, in or affecting interstate or foreign commerce, of a large capacity ammunition feeding device.  Defines a &quot;large capacity ammunition feeding device&quot; to: (1) mean a magazine, belt, drum, feed strip, or similar device that has an overall capacity of, or that can be readily changed to accept, more than 10 rounds of ammunition; and (2) exclude an attached tubular device designed to accept, and capable of operating only with, .22 caliber rimfire ammunition. Provides exemptions for: (1) devices lawfully possessed before this Act's enactment; (2) federal, state, and local agencies and law enforcement officers; (3) licensees under the Atomic Energy Act for on-site security, off-site training, and transportation of nuclear materials; and (4) authorized testing or experimentation by a licensed firearms manufacturer or importer. Requires a device manufactured after this Act's enactment to be identified by a serial number and the date it was manufactured conspicuously engraved or cast on the device. Sets penalties for violations. Subjects devices used or involved in knowing violation of such Act to seizure and forfeiture. Amends the Omnibus Crime Control and Safe Streets Act of 1968 to authorize the use of Edward Byrne Memorial Justice Assistance Grants for buy-back programs for surrendered large capacity ammunition feeding devices.