Skip to main content
CALGUNHUB
Get the brief
Learn · Glossary · Draft entry

bullet button

DraftDraft definitions, under editorial review. Informational content is not legal advice.

This entry is a cited research draft and has not been verified. Where it overlaps a core glossary term, the core definition applies.

DraftCalifornia legal history

Bullet button is a historical label associated with magazine-release arrangements discussed in California DOJ’s assault-weapon guidance. [1] Senate Bill 880 and Assembly Bill 1135 changed the fixed-magazine language governing specified semiautomatic rifles and pistols in 2016. [2][3] DOJ subsequently administered a registration period for affected firearms and a limited court-ordered reopening. [4] The ordinary registration deadline was June 30, 2018, and the reopening ended April 12, 2022. [4] These historical dates do not identify a current general registration window. [4]

  1. 1. California DOJ: Assault weapons and .50 BMG questionsretrieved 2026-10-04
  2. 2. California Senate Bill 880, Chapter 48 of 2016retrieved 2026-10-04
  3. 3. California Assembly Bill 1135, Chapter 40 of 2016retrieved 2026-10-04
  4. 4. California DOJ: Bullet Button Assault Weapon registrationretrieved 2026-10-04

Informational only, not legal advice.

See also

  • assault weapon (California definition)Draft

    A statutory classification with more than one route to definition: Penal Code section 30510 identifies designated semiautomatic firearms, while section 30515 adds classifications based on firearm category, magazine arrangement, listed characteristics, capacity and length.

  • Senate Bill 880Draft

    Senate Bill 880 became Chapter 48 of California’s 2016 statutes when approved on July 1, 2016.

  • Assembly Bill 1135Draft

    Assembly Bill 1135 became Chapter 40 of California’s 2016 statutes on July 1, 2016.

  • fixed magazineDraft

    Penal Code section 30515(b) defines an ammunition-feeding device contained in, or permanently attached to, a firearm so that removal requires disassembly of the firearm action.

Terms that use bullet button

About this glossary

This entry is one of 153 defined terms in the CalGunHub glossary of California and federal firearm-law vocabulary. The 11 core terms are short plain-English definitions; the extended terms are cited research drafts, labelled as drafts, with their statutory sources listed under each entry. Every definition here is informational only and is not legal advice.

Back to the glossary

Sources retrieved Oct 4, 2026Informational only, not legal adviceDraft entry pending editorial review

Get the weekly Roster and Law brief

One email a week on California roster changes, new laws and court rulings. Alerts when something changes.

For adults 18 and over. By subscribing you agree to the Terms and Privacy Policy. Unsubscribe any time.