`(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;
`(C) any semiautomatic rifle that cannot accept a detachable magazine that holds more than 5 rounds of ammunition; or
`(D) any semiautomatic shotgun that cannot hold more than 5 rounds of ammunition in a fixed or detachable magazine.
The fact that a firearm is not listed in appendix A shall not be construed to mean that paragraph (1) applies to such firearm. No firearm exempted by this subsection may be deleted from appendix A so long as this subsection is in effect.