| Year | 1918 |
| Weapon Type | Infantry Rifle |
| Origin & Designer | Russia/Nagant |
| Numbers Produced | 66.500 |
| Crew | [@crew] |
| Calibre | 7.62mm (7.62x54R) |
| Elevation | [@elevation] |
| Traverse | [@gun_traverse] |
| Cartridge Weight | [@cartridge_weight] |
| Round Weight | 147gr (9.5g) |
| Barrel Length | 730mm |
| Overall Length | 1.232mm |
| Grenade Types | [@grenade_types] |
| Mount | [@mount] |
| Combat Weight | 4.2 kg |
| Operation | Bolt Action |
| Cooling System | [@cooling] |
| Sights | Front Post & Rear Ladder |
| Feed | 5 Round Clip |
| Practical Rate of Fire | 12 r.p.m. |
| Maximum Rate of Fire | [@maximum_rate_of_fire] |
| Blank Cartridge | [@blank_cartridge] |
| Muzzle Velocity | 865 m/s |
| Fuel Capacity | [@fuel_capacity] |
| Minimum Range | [@minimum_range] |
| Effective Range | 800m |
| Maximum Range | 2000m |
| Armour Penetration | [@armour_penetration] |
| Bayonet | M91 Bayonet |
| Traction | [@traction] |
| Variants | [@variants] |
| Notes | The M1891 rifle was the Russian built Mosin-Nagant. The Estonians had large numbers of these rifles and these were either left or captured from the Russian army in 1920. In 1939 the Estonian army had 57.000 M1891 rifles. |