Where can i find a secondary serial number on a Lorcin 9mm L9mm semi auto?

On a Lorcin 9mm L9mm semi-automatic pistol, the secondary serial number can typically be found on the frame, often near the trigger guard or the grip area, or on the underside of the slide. It's important to check the manufacturer's specifications, as locations can vary slightly between models. If you're having difficulty locating it, consulting the owner's manual or a gunsmith may provide additional guidance.