Cal. Penal Code § 18010

(a) The Attorney General, a district attorney, or a city attorney may bring an action to enjoin the manufacture of, importation of, keeping for sale of, offering or exposing for sale, giving, lending, or possession of, any item that constitutes a nuisance under any of the following provisions:
1. (1) Section 19290, relating to metal handgrenades.
2. (2) Section 20390, relating to an air gauge knife.
3. (3) Section 20490, relating to a belt buckle knife.
4. (4) Section 20590, relating to a cane sword.
5. (5) Section 20690, relating to a lipstick case knife.
6. (6) Section 20790, relating to a shobi-zue.
7. (7) Section 20990, relating to a writing pen knife.
8. (8) Section 21190, relating to a ballistic knife.
9. (9) Section 21890, relating to metal knuckles.
10. (10) Section 22290, relating to a leaded cane or an instrument or weapon of the kind commonly known as a billy, blackjack, sandbag, sandclub, sap, or slungshot.
11. (11) Section 22490, relating to a shuriken.
12. (12) Section 24390, relating to a camouflaging firearm container.
13. (13) Section 24490, relating to a cane gun.
14. (14) Section 24590, relating to a firearm not immediately recognizable as a firearm.
15. (15) Section 24690, relating to an undetectable firearm.
16. (16) Section 24790, relating to a wallet gun.
17. (17) Section 30290, relating to flechette dart ammunition and to a bullet with an explosive agent.
18. (18) Section 31590, relating to an unconventional pistol.
19. (19) Section 32390, relating to a large-capacity magazine.
20. (20) Section 32990, relating to a multiburst trigger activator.
21. (21) Section 33290, relating to a short-barreled rifle or a short-barreled shotgun.
22. (22) Section 33690, relating to a zip gun.
(b) The weapons described in subdivision (a) shall be subject to confiscation and summary destruction whenever found within the state.
(c) The weapons described in subdivision (a) shall be destroyed in the same manner described in Section 18005, except that upon the certification of a judge or of the district attorney that the ends of justice will be served thereby, the weapon shall be preserved until the necessity for its use ceases.
(d)
1. (1) The Attorney General, a district attorney, or a city attorney may bring an action to enjoin the importation into the state or sale or transfer of any firearm precursor part that is unlawfully imported into this state or sold or transferred within this state.
2. (2) Any firearm precursor parts that are unlawfully imported in this state or unlawfully sold, transferred, or possessed within this state are a nuisance and are subject to confiscation and destruction pursuant to Section 18005.