Have you seen this:
never used them but it might a good option.
Finally got my stamp after 8 months. Now Iím ready to engrave my USC/UMP by TBT.
Anyone here know a place in Orlando or in central Florida that would recommend or have done business with before. I donít want to just google and go a a random place that may not be good for the UMP
HK USPc .40
HK P30s 9mm
HK USC/UMP .45
Sent you a PM.