My understanding is that as long as all the other markings are there, assuming that lower was purchased as a completed lower from an original manufacturer, then yes.Is that all that is required on completed lowers?
I set the engraver for 4 thou depth. Not sure there is any way to accurately check how deep the engraving is?
.003 in.What is minimum depth that is required by the BATFE?
I've heard that laser engraving is not deep enough?
I've heard that laser engraving is not deep enough?