The Hidden Revolver, or the Chamber Gun was a variation of the standard Hidden Gun designed by Altaïr Ibn-La'Ahad. It could hold 6 bullets and fire 3 in rapid succession. The hidden revolver was designed in Germany 1642 by Friedrich Schwarze, who built a single Hidden Revolver, see Blackwolf Revolver, for himself as an experimental weapon. He passed it on to his son, Alexander Blackwolf after he retired.