4 ms·

So keep grinding even after the serial's no longer visible?

• iwwr 12y ago
  Or re-anneal the materials in an oven?
  • TrainedMonkey 12y ago
    Putting parts of firearms in the oven, does not sound like a safe thing to do if you are planning to fire from them afterwards.
    • busterarm 12y ago
      But totally the right thing to do with firearms you're trying to dispose of.
  • Crito 12y ago
    I wonder if peening might be sufficient. http://en.wikipedia.org/wiki/Peening http://en.wikipedia.org/wiki/Peening
• MichaelGG 12y ago
  I'd imagine it might be more important to apply the same type of pressure as the stamping process. Assuming there's some maximum compression or structural change that can happen?