CALIFORNIA CODES
PENAL CODE
SECTION 12020-12040
12020. (a) Any person in this state who does any of the following
is punishable by imprisonment in a county jail not exceeding one year
or in the state prison:
(1) Manufactures or causes to be manufactured, imports into the
state, keeps for sale, or offers or exposes for sale, or who gives,
lends, or possesses any cane gun or wallet gun, any undetectable
firearm, any firearm which is not immediately recognizable as a
firearm, any camouflaging firearm container, any ammunition which
contains or consists of any flechette dart, any bullet containing or
carrying an explosive agent, any ballistic knife, any multiburst
trigger activator, any nunchaku, any short-barreled shotgun, any
short-barreled rifle, any metal knuckles, any belt buckle knife, any
leaded cane, any zip gun, any shuriken, any unconventional pistol,
any lipstick case knife, any cane sword, any shobi-zue, any air gauge
knife, any writing pen knife, any metal military practice
handgrenade or metal replica handgrenade, or any instrument or weapon
of the kind commonly known as a blackjack, slungshot, billy,
sandclub, sap, or sandbag.
(b) Subdivision (a) does not apply to any of the following:
(3) The possession of a nunchaku on the premises of a school which
holds a regulatory or business license and teaches the arts of
self-defense.
(4) The manufacture of a nunchaku for sale to, or the sale of a
nunchaku to, a school which holds a regulatory or business license
and teaches the arts of self-defense.
(3) As used in this section, a "nunchaku" means an instrument
consisting of two or more sticks, clubs, bars or rods to be used as
handles, connected by a rope, cord, wire, or chain, in the design of
a weapon used in connection with the practice of a system of
self-defense such as karate.