I am looking to obtain a AR-15 upper. NO flatops I am just looking for a standard 16-20" upper with iron sights and good condition barrel. mid to standard length handgaurd if possible. I dont need the bolt or bolt carrier but if its a package deal then I will consider. 5.56 nato chamber Any color stock sets, I have some leupold scopes and bushnell range finders for trade ALL new in box. Also I am looking for a original HK/Cetme/G3 collapsible stock.