You can own as many guns a youlike but you wont ever be able to sell them because of this text below.
SEC. 2. RESTRICTION ON MANUFACTURE, TRANSFER, AND POSSESSION OF CERTAIN SEMIAUTOMATIC ASSAULT WEAPONS.
(a) RESTRICTION- Section 922 of title 18, United States Code, is amended by adding after subsection (u) the following:
(v)(1) It shall be unlawful for a person to manufacture, transfer, or possess a semiautomatic assault weapon.
(2) Paragraph (1) shall not apply to the possession or transfer of any semiautomatic assault weapon otherwise lawfully possessed under Federal law on the date of the enactment of this subsection.
(3) Paragraph (1) shall not apply to--
(A) any of the firearms, or replicas or duplicates of the firearms, specified in appendix A to this section, as such firearms were manufactured on October 1, 1993;
(B) any firearm that--
(i) is manually operated by bolt, pump, lever, or slide action;
(ii) has been rendered permanently inoperable; or
(iii) is an antique firearm;