I know there is a thread adapter available from many sources which uses set screws to attatch to our style barrel, it then has threads on the end so then you can attatch a 14x1 left hand flash hider, I guess it could be welded on and then the fh screwed on. I would just as well skip that step and if I could find a fh I liked which fit the end of the barrel without the threads, I would just as well weld it on directly without adding the extra length. Just want a slant break, altough I really like the 4 piece bulgarian krink brakes/fh, but they have a wierd thread pitch and I'm not sure how they work, I think they are 7.62x39 though. If I could find the inside measurements of one I might be able to weld it on the end with some sort of sleeve, the adapter available won't work for it because of thread type.