World's Biggest Revolver Fired Successfully So this is fun. A guy in Poland built a gigantic revolver. Then he fired it. RT reports that "It took Mr (Ryszard) Tobys around 2,500 hours to construct, since most of the parts had to be built by hand." The revolver fires 5 oz. bullets and is supposedly certified by Guinness World Records. The Pentagon has not yet contacted Tobys for potential contracts. Read more: http://www.businessinsider.com/worlds-biggest-pistol-fired-2013-3#ixzz2MWWHiVe9 (FR Note: Link to the original story to access video of pistol being fired.)