 Complete the following phrase:  The Belgians talks with Mauser prompted the Ottoman Empire, whose contract for Model 1887 rifles included an escape clause allowing them to alter their order to account for any new advancements the Mauser brothers made, to consider the design. In the end they ordered 280,000 pieces of an improved version of the 89 Mauser known as the Turkish Model 1890 rifle. It used a slightly modified 7.65 round. A Model 1890 carbine was also supplied in smaller numbers. These rifles saw service during the 