| Year | 1931 |
| Weapon Type | Light Machine Gun |
| Origin & Designer | Switzerland/Steyr-Solothurn |
| Numbers Produced | 2000-3000 |
| Crew | 2 (Gunner & Loader) |
| Calibre | 8mm (8x56R) |
| Elevation | [@elevation] |
| Traverse | [@gun_traverse] |
| Cartridge Weight | [@cartridge_weight] |
| Round Weight | 200gr (13g) |
| Barrel Length | 600mm |
| Overall Length | 1.170mm |
| Grenade Types | [@grenade_types] |
| Mount | Bi-Pod |
| Combat Weight | 12 kg |
| Operation | Recoil / Semi & Fully Automatic |
| Cooling System | Air |
| Sights | Front Blade & Tangent Rear |
| Feed | 30 Round & 50 Round Drum Magazines |
| Practical Rate of Fire | 350 r.p.m. |
| Maximum Rate of Fire | 600 r.p.m. |
| Blank Cartridge | [@blank_cartridge] |
| Muzzle Velocity | 730 m/s |
| Fuel Capacity | [@fuel_capacity] |
| Minimum Range | [@minimum_range] |
| Effective Range | 800m |
| Maximum Range | 4.400m |
| Armour Penetration | [@armour_penetration] |
| Bayonet | [@bayonet] |
| Traction | [@traction] |
| Variants | [@variants] |
| Notes | The 31M was the standard light machine gun of the Hungarian infantry platoons. It was built by the Austrian firm of Steyr and purchased by the Hungarian army. |