DraftDraft definitions, under editorial review. Informational content is not legal advice.
Draftclassification
For the relevant assault-weapon paragraphs, the full statutory phrase concerns a threaded barrel capable of accepting a flash suppressor, forward handgrip or silencer. [1] DOJ’s reproduced section 5471(rr) includes a barrel with one of those features already mounted and addresses specified lugged barrels within that definition. [2] Penal Code section 30515 places this characteristic in the semiautomatic-pistol and other-centerfire-firearm provisions, each with additional magazine and category conditions. [1]
- 1. California Penal Code assault weapon and .50 BMG definitionsretrieved 2026-10-04
- 2. DOJ reproduction of section 5471 definitionsretrieved 2026-10-04
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.
- flash suppressorDraft
DOJ’s reproduced section 5471(r) describes a muzzle device by whether its design, intent or function perceptibly reduces or redirects muzzle flash from the person’s field of vision; the text also addresses hybrid devices and manufacturer identification.
- silencerDraft
Federal law defines firearm silencer and firearm muffler by their purpose of reducing a portable firearm’s report, and extends the definition to specified combinations of parts and parts intended solely for that purpose.
Terms that use threaded barrel
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.
Get the weekly Roster and Law brief
One email a week on California roster changes, new laws and court rulings. Alerts when something changes.