The Mauser I.G. (Infantrie Gewehr) Mod. 71/84 rifle was the first repeating rifle and was a further development from the Mod. 71 single shot rifle.
These Mausers were loaded with a 11,15 x 60 R cartridge. Notable difference for the 71/84 cartridge was the flat bullet. These bullets were loaded in the tubular magazine under the barrel holding 8 rounds.
The rifle shown is a Mauser I.G. Mod. 71/84
Many German infantry troops were issued with the 8 shot repeating rifle. Even in WW1 several regiments had to use this, by that time, old fashioned rifle firing black powder cartridges.
German Soldier with Mauser 71/84 rifle and fixed bayonet
The rifle was unique in a sense that most every part, including the screw were stamped with (part of) the serial number.
The regimental markings can be found on the but plate. As far as I can make out it reads: 37. R . 4
. 224. This could perhaps be the .
Regimental markings on the but plate
The rear sight was one of best of its time with increments up to 1600 meters.
Rear sight in horizontal position