Talk:Orokin Void/@comment-24.237.24.13-20140429225142/@comment-1.36.159.101-20140430012207

OR you can just simply click "Expand" under the "Manufacturing Requirements" table. You'll find the drop locations of all the parts of Boltor P there, on the same page(http://warframe.wikia.com/wiki/Boltor_Prime).