New York Sez Grind threads OFF,
Make your case with the ATF.Call it what it is !!!
No I cannot find it, but I have read it, because it calls for 4 tack welds to hold the flash hider (front sight) on my M1A to keep it legal in NY. I am a welder.Huh? Can you post a link to this legislation?
No way to attach a muzzle device correctly- on any rifle- without precision machined threads concentric to the bore.