For the purposes of this division, “firearm” includes the frame or receiver of the weapon, including a completed frame or receiver or a firearm precursor part. “Firearm precursor part” has the same meaning as in subdivision (a) of § 16531 of the Penal Code.

(Amended by Stats. 2022, Ch. 76, Sec. 2. (AB 1621) Effective June 30, 2022.)