Thanks to everyone for the responses - all extremely helpful! T-Rex - reading it now, I see how what I said sounds like milling. To clarify, I meant taking shallow cuts until the drill breaks through. Of course, with the end cap being so thin, I would break through in a single press. But, just as a ...

Hey all, First time posting. Posted this over on r/form1 but I suspect The audience here is much larger. I’ve been doing a ton of research here and on other forums in my pursuit of building my first form 1 suppressor. I’ve been reading about RPMs, SFMs, feed rates, etc. and it’s reminding me why I d...