California Code, Penal Code - PEN § 26853

(a) Remove the magazine.

(b) Lock the slide back. If the model of firearm does not allow the slide to be locked back, pull the slide back, visually and physically check the chamber to ensure that it is clear.

(c) Visually and physically inspect the chamber, to ensure that the handgun is unloaded.

(d) Remove the firearm safety device, if applicable. If the firearm safety device prevents any of the previous steps, remove the firearm safety device during the appropriate step.

(e) Load one bright orange, red, or other readily identifiable dummy round into the magazine. If no readily identifiable dummy round is available, an empty cartridge casing with an empty primer pocket may be used.

(f) Insert the magazine into the magazine well of the firearm.

(g) Manipulate the slide release or pull back and release the slide.

(h) Remove the magazine.

(i) Visually inspect the chamber to reveal that a round can be chambered with the magazine removed.

(j) Lock the slide back to eject the bright orange, red, or other readily identifiable dummy round. If the handgun is of a model that does not allow the slide to be locked back, pull the slide back and physically check the chamber to ensure that the chamber is clear. If no readily identifiable dummy round is available, an empty cartridge casing with an empty primer pocket may be used.

(k) Apply the safety, if applicable.

(l) Apply the firearm safety device, if applicable. This requirement shall not apply to an Olympic competition pistol if no firearm safety device, other than a cable lock that the department has determined would damage the barrel of the pistol, has been approved for the pistol, and the pistol is either listed in subdivision (b) of Section 32105 or is subject to subdivision (c) of Section 32105.