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Old 11-05-2017, 11:34 AM
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Librarian Librarian is offline
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Default Laws and effective dates from 2016-2017

Laws and effective dates

A bit of FAQ houskeeping first -

1) The state/DOJ does NOT certify hardware. We are absolutely on our own about what methods to make a rifle ‘fixed magazine’, what muzzle devices are ‘flash hiders/reducers’ and which are ‘muzzle brakes’, what replacement stocks are ‘featureless’.

2) There are lawsuits that affect some of these. Those will be noted.

3) Locked thread - PM me to add content to this sticky.

New laws from the 2016-2017 Legislative Session and the 2016 Propositions.

Just the dates - the details are covered elsewhere.


(a)(1)Commencing January 1, 2018, the sale of ammunition by any party shall be conducted by or processed through a licensed ammunition vendor.

The definition of ammunition, for this part of the Penal Code, does NOT include powder, cases, primers or projectiles.

Ammunition 'purchase authorization' and background checks


(a) Commencing July 1, 2019, the department shall electronically approve the purchase or transfer of ammunition through a vendor, as defined in Section 16151, except as otherwise specified. This approval shall occur at the time of purchase or transfer, prior to the purchaser or transferee taking possession of the ammunition. Pursuant to the authorization specified in paragraph (1) of subdivision (c) of Section 30352, the following persons are authorized to purchase ammunition:

Assault weapon registration

PC 30900 in relevant part
(b)(1)Any person who, from January 1, 2001, to December 31, 2016, inclusive, lawfully possessed an assault weapon that does not have a fixed magazine, as defined in Section 30515, including those weapons with an ammunition feeding device that can be readily removed from the firearm with the use of a tool, shall register the firearm before July 1, 2018, but not before the effective date of the regulations adopted pursuant to paragraph (5), with the department pursuant to those procedures that the department may establish by regulation pursuant to paragraph (5).

This one has a lawsuit - see

Large-capacity magazines

PC 32310 in relevant part
(c)Except as provided in Article 2 (commencing with Section 32400) of this chapter and in Chapter 1 (commencing with Section 17700) of Division 2 of Title 2, commencing July 1, 2017, any person in this state who possesses any large-capacity magazine, regardless of the date the magazine was acquired, is guilty of an infraction punishable by a fine not to exceed one hundred dollars ($100) per large-capacity magazine, or is guilty of a misdemeanor punishable by a fine not to exceed one hundred dollars ($100) per large-capacity magazine, by imprisonment in a county jail not to exceed one year, or by both that fine and imprisonment.

This one has a lawsuit - see

Home-built ("80%") Firearms


(a) For purposes of this chapter, “manufacturing” or “assembling” a firearm means to fabricate or construct a firearm, or to fit together the component parts of a firearm to construct a firearm.

(b) Commencing July 1, 2018, prior to manufacturing or assembling a firearm, a person manufacturing or assembling the firearm shall do all of the following:

(1) Apply to the Department of Justice for a unique serial number or other mark of identification pursuant to Section 29182.
(c) By January 1, 2019, any person who, as of July 1, 2018, owns a firearm that does not bear a serial number assigned to it pursuant to either Section 23910 or pursuant to Chapter 44 (commencing with Section 921) of Part 1 of Title 18 of the United States Code and the regulations issued pursuant thereto, shall do all of the following:

(1) Apply to the Department of Justice for a unique serial number or other mark of identification pursuant to Section 29182. Exceptions listed at

There are no regulations yet, and no application process is in place. See also California Code of Regulations, Firearms Regulations.

See also the sticky in this forum.
No one will really understand politics until they understand that politicians are not trying to solve our problems. They are trying to solve their own problems - of which getting elected and re-elected are number one and number two. Whatever is number three is far behind.
- Thomas Sowell
I've been saying that for years ...

There is no value at all complaining or analyzing or reading tea leaves to decide what these bills really mean or actually do; any bill with a chance to pass will be bad for gun owners.

The details only count after the Governor signs the bills.

Gregg Easterbrook’s “Law of Doomsaying”: Predict catastrophe no later than ten years hence but no sooner than five years away — soon enough to terrify people but distant enough that they will not remember that you were wrong.

Not a lawyer, just Some Guy On The Interwebs.

Last edited by Librarian; 11-06-2017 at 6:35 PM..
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