Needs to be examined by a gunsmith to be safe and sure. Although S&W and the Luger both fire the 9mm cartridge.
Only if it is chambered for it. If you have any dobuts, take it to a gunsmith.
You need to have it examined by a gunsmith to be sure.
You take it to a gunsmith.
If you go to You-Tube and type in disassemble of Smith and Wesson model 915;there should be a video of the steps needed to take down your smith and Wesson semi-auto 9mm.
The two do not interchange. Without pictures or description of ALL markings on barrel, no way to tell. Take it to a gunshop and they can help you.
Take it to a gunsmith.
You take it to a gunmsith.
No
30 yrs give or take
No need to for regular cleaning.
Best left to a gunsmith.
Take it to an authorized repair center or a qualified gun smith.