Quote Originally Posted by jreifsch80 View Post
Well when i said crown cutting tools I meant the real crown cutting tooling from brownells not a carriage bolt with lapping compound though my kids 22s they go to state with for 4h all have crowns that have been honed with a stainless carriage bolt and jb bore paste
^^ This.^^ Buy the right tools and DIY. Now if you planned to suppress the rifle, then cutting threads on lathe is the right way..

https://www.cncwarrior.com/category-s/1513.htm