Notwithstanding any provision of the general statutes, sections 53-202a to 53-202l, inclusive, shall not be construed to limit the transfer or require the registration of an assault weapon as defined in subdivision (3) or (4) of subsection (a) of § 53-202a of the general statutes, revision of 1958, revised to January 1, 2013, provided such firearm was legally manufactured prior to September 13, 1994.