Threads.
There is pretty much no other option, unless you rebarrel with a lugged barrel like the G1 FAL. If you are going to rebarrel, you might as well used a threaded barrel.
If you want threads on your existing barrel, you can purchase a DIY kit from Dyna-Systems.
There is pretty much no other option, unless you rebarrel with a lugged barrel like the G1 FAL. If you are going to rebarrel, you might as well used a threaded barrel.
If you want threads on your existing barrel, you can purchase a DIY kit from Dyna-Systems.