It's a magazine, not a clip, and no, Lorcin never made extended magazines for their pistols, nor did any other manufacturer which I'm aware of.
None made that I am aware of.
No.
No
You need a gunsmith
yes
Try e-gunparts.com
The name of the company that made Lorcin handguns was "Lorcin." However, I believe the company is out of business, and for good reason.
Ask a gunsmith for help
$50 - $80
make sure empty and safety is off. then disassemble to see what is causing the jam.........
better to let a gunsmith do it for you
25-65 USD