It is somewhat confusing here. I have seen dealers selling them without soldered muzzle brakes as long as you register it as a pistol. I have a AKM folder and a AKS-74 and both have brakes fixed, just in case. Both are registered as pistols. When I took them in to complete the registration safety check (no longer have to do that now in Michigan) no one even bother to look at the breaks. Just wanted the serial number.