PEN §16170: (a) As used in Sections 30515 and 30530, “antique firearm” means any firearm manufactured before January 1, 1899.

(a) As used in Sections 30515 and 30530, “antique firearm” means any firearm manufactured before January 1, 1899. (b) As used in Section 16520, Section 16650, subdivision (a) of Section 23630, paragraph (1) of subdivision (b) of Section 27505, and subdivision (a) of Section 31615, “antique firearm” has the same meaning as in Section 921(a)(16) of Title 18 of the United States Code. (c) As used in Sections 16531 and 17700, “antique firearm” means either of the following: (1) Any firearm not designed or redesigned for using rimfire or conventional center fire ignition with fixed ammunition and manufactured in or before the year 1898. This type of firearm includes any matchlock, flintlock, percussion cap, or similar type of ignition system or replica thereof, whether actually manufactured before or after the year 1898. (2) Any firearm using fixed ammunition manufactured in or before the year 1898, for which ammunition is no longer manufactured in the United States and is not readily available in the ordinary channels of commercial trade.