The saiga, in all calibers, is a Kalishnakov actioned weapon. Hence, AK-47 in all its forms. Thats how I understand it, and I did the regulated paperwork for mine as well.I realize that but its not the same receiver....it shares a EXTERNAL RESEMBLANCE and uses a similar action BUT it is fundamentally different......not to mention the fact that if you look up any definition for "AK-47" it refers to a RIFLE not a shotgun.