YUR correct on the surpresser....bummer.but are you saying i cant build a preban AR15..unless iv got the permit already....dont think thts correct tho....it only names colt and bushmaster..um trust me iv been doing my home work ..got mostly correct and legal answers from those who know what can and cant be done..not gonna just build a preban cause i want too ...yes ya do need certian regestraion on them and pay cash but yes it can and will be done....:)