Laser Engraver Forum

Yes, you need a fiber laser marking machine. If you want to engrave instead of marking, I think you may need a high-power fiber laser marking machine. In addition, you may also need to buy rotating accessories: https://www.bytelaser.com/product/rotary-worktable/.

I recently bought a laser marking machine from a Chinese supplier. The quality and service are good. If you want to do firearm slide markings, you may need a fiber laser marking machine.
Here is mine.