It mirrors the 1896 Mauser Broomhandle and is marked on the breech end of the barrel "Waffenfabrik Mauser Oberndoff A/N." Inside the barrel is a gas tube against which the "rounds" seal upon chambering.
In addition, between 1919 and 1921, Brno manufactured approximately 4,000 M.95 Mannlichers and assembled 42,000 Infanteriegewehre 98 from parts supplied by Waffenfabrik Mauser. Recognizing the superiority of the Mauser over the Mannlicher, the Czech army adopted it as the standard weapon and arrangements were made to produce it locally.
You see the Berlin based armament group of Ludwig Loewe, also known as DWM, held a controlling interest in the stock of Waffenfabrik Mauser. At the time, Loewe was frustrated with the lack of sales of their own Borchardt semi-automatic pistol so I'm sure the revolutionary C.96 design seemed like a gift from heaven.
In an attempt to keep up with possible foes, in the 1880s the Turks turned to their friends in Germany when they wanted a repeating rifle and signed a contract with Waffenfabrik Mauser in 1887 for an astonishing half million units, although only about 220,000 rifles and 5000 carbines were delivered before the contract was changed to the Tufek 1890.