Hold pistol grips firmly between your knees, pull the slide back with the left hand until breech is open, stick right thumb in breech, release slide from left hand.
Seriously, it does not lock open.
Try this link: http://armattweb.com/lorcin/ or type " Lorcin L380 " on Google on the answer list, choose the 5th. enjoy!
That is not a question.
It was made by Lorcin, and Lorcin is no longer in business.
look on the frame
You need the services of a gunsmith
Best left to a gunsmith
100 USD
It is not unsafe, but not the highest quality gun made.
Have it inspected by a good gunsmith
Do not attempt. Best left to a trained gunsmith.
No published sn data.
search google images. I found one by searching for "lorcin 380 parts diagram"