Division 3. Surrender, Disposal, And Enjoining Of Weapons Constituting A Nuisance of California Penal Code >> Division 3. >> Title 2. >> Part 6.

(a) Any weapon described in Section 19190, 21390, 21590, or 25700, or, upon conviction of the defendant or upon a juvenile court finding that an offense that would be a misdemeanor or felony if committed by an adult was committed or attempted by the juvenile with the use of a firearm, any weapon described in Section 29300, shall be surrendered to one of the following:
  (1) The sheriff of a county.
  (2) The chief of police or other head of a municipal police department of any city or city and county.
  (3) The chief of police of any campus of the University of California or the California State University.
  (4) The Commissioner of the California Highway Patrol.
  (b) For purposes of this section, the Commissioner of the California Highway Patrol shall receive only weapons that were confiscated by a member of the California Highway Patrol.
  (c) A finding that the defendant was guilty of the offense but was insane at the time the offense was committed is a conviction for the purposes of this section.

(a) An officer to whom weapons are surrendered under Section 18000, except upon the certificate of a judge of a court of record, or of the district attorney of the county, that the retention thereof is necessary or proper to the ends of justice, may annually, between the 1st and 10th days of July, in each year, offer the weapons, which the officer in charge of them considers to have value with respect to sporting, recreational, or collection purposes, for sale at public auction to persons licensed pursuant to Sections 26700 to 26915, inclusive, to engage in businesses involving any weapon purchased.
  (b) If any weapon has been stolen and is thereafter recovered from the thief or the thief's transferee, or is used in a manner as to constitute a nuisance under Section 19190, 21390, 21590, or 29300, or subdivision (a) of Section 25700 without the prior knowledge of its lawful owner that it would be so used, it shall not be offered for sale under subdivision (a) but shall be restored to the lawful owner, as soon as its use as evidence has been served, upon the lawful owner's identification of the weapon and proof of ownership, and after the law enforcement agency has complied with Chapter 2 (commencing with Section 33850) of Division 11 of Title 4.
  (c) If, under this section, a weapon is not of the type that can be sold to the public, generally, or is not sold under subdivision (a), the weapon, in the month of July, next succeeding, or sooner, if necessary to conserve local resources, including space and utilization of personnel who maintain files and security of those weapons, shall be destroyed so that it can no longer be used as a weapon subject to surrender under Section 18000, except upon the certificate of a judge of a court of record, or of the district attorney of the county, that the retention of it is necessary or proper to the ends of justice.
  (d) No stolen weapon shall be sold or destroyed pursuant to subdivision (a) or (c) unless reasonable notice is given to its lawful owner, if the lawful owner's identity and address can be reasonably ascertained.

(a) The Attorney General, district attorney, or 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) Section 19290, relating to metal handgrenades.
  (2) Section 20390, relating to an air gauge knife.
  (3) Section 20490, relating to a belt buckle knife.
  (4) Section 20590, relating to a cane sword.
  (5) Section 20690, relating to a lipstick case knife.
  (6) Section 20790, relating to a shobi-zue.
  (7) Section 20990, relating to a writing pen knife.
  (8) Section 21190, relating to a ballistic knife.
  (9) Section 21890, relating to metal knuckles.
  (10) Section 22090, relating to a nunchaku.
  (11) 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.
  (12) Section 22490, relating to a shuriken.
  (13) Section 24390, relating to a camouflaging firearm container.
  (14) Section 24490, relating to a cane gun.
  (15) Section 24590, relating to a firearm not immediately recognizable as a firearm.
  (16) Section 24690, relating to an undetectable firearm.
  (17) Section 24790, relating to a wallet gun.
  (18) Section 30290, relating to flechette dart ammunition and to a bullet with an explosive agent.
  (19) Section 31590, relating to an unconventional pistol.
  (20) Section 32390, relating to a large-capacity magazine.
  (21) Section 32990, relating to a multiburst trigger activator.
  (22) Section 33290, relating to a short-barreled rifle or a short-barreled shotgun.
  (23) Section 33690, relating to a zip gun.
  (b) These weapons shall be subject to confiscation and summary destruction whenever found within the state.
  (c) These weapons 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.