As used in this part, an “unconventional pistol” means a firearm with both of the following characteristics:
(a) It does not have a rifled bore.
(b) It has a barrel or barrels of less than 18 inches in length or has an overall length of less than 26 inches.
(Added by Stats. 2010, Ch. 711, Sec. 6. (SB 1080) Effective January 1, 2011. Operative January 1, 2012, by Sec. 10 of Ch. 711.)