Sniper is a Soviet 1931 B&W movie directed by Semyon Timoshenko. During World War 1 a Russian soldier (Pyotr Sobolevsky) serves in Russian Expeditionary Force in France where he is chosen for his marksmanship and trained as a skilled sniper. After the Russian revolution the soldier returns home while his commander (Boris Shlikhting) fights against the Soviet Russia. In 1930 the former soldier works on a factory and also he is the instructor in shooting club. Once the town that is near the Soviet border is attacked by foreign troops (the hostile state isn't named but the uniform of the soldiers resembles Finnish). The character meets againt with his former commander who serves in invading forces.
The following weapons were used in the film Sniper (1931):
Most revolvers, seen in hands of Russian, French and British officers during the WW1, appear to be Russian Nagant M1895s.
Unidentified revolver
In one scene a British officer is seen with a revolver. This scene is supposed to be a documentary footage.
Rifles
Ross M1910
The Soldier (Pyotr Sobolevsky) and The Captain (Boris Shlikhting) both use Ross M1910 rifles with sniper scopes. Standard Ross rifles are also seen in hands of Russian and British soldiers. The moviemakers could use a large stock of Ross M1910s that were captured during the Russian civil war and used in USSR for target shooting in 1920s-1930s.
Mauser Gewehr 1898
German Kaiser Army soldiers are armed with Mauser Gewehr 1898 rifles. Mauser 98 rifles are also seen in hands of Triple Entente troops.
Mosin Nagant M1891
During the battle in the final scene Red Army soldiers and civilian volunteers carry Mosin Nagant M1891 rifles of various variants.
Enfield P14
Some Enfield Pattern 14 rifles are also seen in hands of British soldiers.
During the training in the shooting club in 1930 numerous small caliber rifles are seen. They are supposed to be .22 caliber single-shot TOZ-1 rifles that were used in late 1920s - early 1930s for basic shooting training, until replaced with improved TOZ-7.
Maxim M1910 machine guns are used during the battle in the final scene by both Red Army soldiers and the invading troops.
Maxim-Tokarev
In the scene of the attack of Russian troops in Summer 1917 a Maxim-Tokarev machine gun stands for a German machine gun.
Other Weapons
Flamethrower
In one scene a flamethrower is seen in hands of a British soldier. It is hard to identify the exact model.
Livens Projector
In one scene a British soldier loads a Livens Projector mortar with a gas bomb. It can be a genuine weapon, not a mockup (although the bomb is a dummy of course).