And they’ll be free to reason that you’ve now attempted to deface the markings on, what they perceive as, a machine gun.
Pretty poor advice.
There's no advice. Read it again, what it actually says. If you don't get it that time, just move on.
My sig: Consider adding IP/S'G's to my registry. I've found 3 sets of consecutives & WILL immediately inform you of one if you won't cut my throat like someone else did, I do it to help us both. https://grandrapids.wufoo.com/forms/zzlnt0519k86xs/