In his day, Gen. Benjamin S. Roberts was better known as a U.S. Army combat commander than as a firearms inventor. Yet as an inventor he saw commercial success with his idea for converting muzzle-loading muskets into efficient breechloaders. This is the story of his efforts, beginning in 1859, to develop the ultimate breechloader - efforts that would lead to his successful design in 1866. He also achieved success with his patented design for cartridges...