(A) ELIMINATION OF PROHIBITION ON ES-
TABLISHMENT OF CENTRALIZED FIREARM REG-
ISTRATION
SYSTEM.—Section 926(a) of such 
title is amended by striking the 2nd sentence. 
(B) APPLICABILITY
TO
GOVERNMENTAL 
AND MILITARY FIREARMS AND AMMUNITION.— 
Section 925(a) of such title is amended in each 
of paragraphs (1) and (2), by inserting ‘‘and 
except for section 932,’’ after the 2nd comma. 
(4) EFFECTIVE DATE.—The amendments made 
by this subsection shall take effect on the date final 
regulations are prescribed under subsection (a)(4). 
SEC. 3. PROHIBITION ON POSSESSION OF CERTAIN AMMU-
NITION. 
(a) IN GENERAL.—Section 922 of title 18, United 
States Code, as amended by section 2 of this Act, is 
amended by adding at the end the following: 
‘‘(dd)(1) It shall be unlawful for any person to pos-
sess ammunition that is 0.50 caliber or greater. 
‘‘(2)(A) It shall be unlawful for any person to possess 
a large capacity ammunition feeding device. 
‘‘(B) Subparagraph (A) shall not apply to— 
‘‘(i) the manufacture for, or possession by, the 
United States or a department or agency of the 
United States or a State or a department, agency, 
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or political subdivision of a State, or the possession 
by a law enforcement officer employed by such an 
entity for purposes of law enforcement (whether on 
or off duty); 
‘‘(ii) the possession by an employee or con-
tractor of a licensee under title I of the Atomic En-
ergy Act of 1954 on-site for purposes of establishing 
and maintaining an on-site physical protection sys-
tem and security organization required by Federal 
law, or off-site for purposes of licensee-authorized 
training or transportation of nuclear materials; 
‘‘(iii) the manufacture or possession by a li-
censed manufacturer or licensed importer for the 
purposes of testing or experimentation authorized by 
the Attorney General; or 
‘‘(iv) the manufacture for, or possession by, an 
organization that provides firearm training and that 
is registered with the Attorney General, or the pos-
session by an individual to whom such an organiza-
tion is providing firearm training during and at the 
location of the training.’’. 
(b) LARGE CAPACITY AMMUNITION FEEDING DE-
VICE DEFINED.—Section 921(a) of such title, as amended 
by section 1 of this Act, is amended by inserting after 
paragraph (30) the following: 
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‘‘(31) The term ‘large capacity ammunition feeding 
device’ means a magazine, belt, drum, feed strip, or simi-
lar device that has a capacity of, or that can be readily 
restored or converted to accept, more than 10 rounds of 
ammunition, but does not include an attached tubular de-
vice designed to accept, and capable of operating only 
with, .22 caliber rimfire ammunition.’’. 
(c) PENALTIES.—Section 924(a) of such title, as 
amended by section 2 of this Act, is amended by adding 
at the end the following: 
‘‘(11)(A) 
Whoever 
knowingly 
violates 
section 
922(dd)(1) shall be fined not less than $50,000 and not 
more than $100,000, imprisoned not less than 10 years 
and not more than 20 years, or both. 
‘‘(B) Whoever knowingly violates section 922(dd)(2) 
shall be fined not less than $10,000 and not more than 
$25,000, imprisoned not less than 1 year and not more 
than 5 years, or both.’’. 
Æ 
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