Contract Rifles

Bulgaria

While the platform proved a domestic success, the M.95 didn't garner much international attention. Most nations like Romania and Greece preferred the more traditional turn-bolt designs that came out of Steyr's export roster, or adopted one of the extremely successful designs produced by Mauser Oberndorf in Germany.
The one big exception was the Tsardom of Bulgaria. Having already bought the earlier wedge-locking platforms from Steyr for their expected wars against Ottoman dominance in the Balkans, the Bulgarians adopted the M.95 as their official main line rifle in 1897, ahead of Austria-Hungary herself. 

With the first production contract coming to pass in 1903, the Bulgarians adopted it as the Пушка Манлихер Образец 1903г (Rifle, Mannlicher, Model of 1903) or M.03, although the Austro-Hungarian model designation equally found use.
Four additional contracts would follow in 1904 and 1908 from Steyr, as well as 1909 and 1914 from Budapest. With the outbreak of hostilities between Vienna and Belgrade, some 9,500 rifles from the 1914 contract were sequestered by the Austro-Hungarian army and did not make it to Bulgaria. The unique markings on those guns were left intact. 
Overall, the Bulgarians were happy with the model as it was, the biggest differences are the gas vent hole in the bolt sleeve and the Bulgarian lion being displayed on top of the receiver. They are also the only WWI-era M.95s that received a numbered bolt and had both sides of the rear sight marked.

Further wartime deliveries did not receive the typical Bulgarian markings and thus are not different from the Austro-Hungarian used examples.