No. I actually had it re-threaded to 1/2x28 so I could suppress it, but the thread job was not concentric to the bore. It's barely off, but I don't want to chance it.
My options are that it may be possible to re-thread it, or otherwise I'd have to do a permanent barrel end cap sleeve. I have other AKs I shoot suppressed though so I just have never fooled with it.
