Cal. Penal Code § 26545

Section 26500 does not apply to the loan of a firearm for the purposes of shooting at targets, if the loan occurs on the premises of a target facility that holds a business or regulatory license or on the premises of any club or organization organized for the purposes of practicing shooting at targets upon established ranges, whether public or private, if the firearm is at all times kept within the premises of the target range or on the premises of the club or organization.