25-50 USD
Best thing to do is find a gunsmith
No
Best left to a trained gunsmith. For normal cleaning, no disassembly is needed.
Try S&W web site.
That is not a question.
Lorcin L22s are junk. The build quality is inconsistent to the point where the ideal ammo for one gun may be problematic for another. You'll have to experiment with various types of ammo to find the ideal type for your pistol. Remington Subsonic may be a good place to start.
Best thing to do is find a gunsmith
The one that came with it
Depends on the model.
The Gun Digest Book Firearms Assembly and Disassembly Part 5 Shotguns has an illustrated description of the model 97 disassembly.
No published sn data.