In the later years of his life, Paul Mauser is awarded numerous honors. In 1898, he is elected in the Reichstag as Royal Commerce Councilor. In 1912, he receives the Grashof Commemorative Medal of the Association of German Engineers, although he has never been an engineer. In the same year, he is ennobled with the Grand Cross of the Royal Württemberg Order.
Paul Mauser dies May 29, 1914 at the age of 76 of an embolism. The outbreak of the First World War in 1914 quickly leads to increased production of the "98 Rifle"; research takes a back seat. By the end of 1916, employee numbers have risen to approx. 7,000.