| Year | 1935 |
| Weapon Type | [@type] |
| Origin & Designer | [@designer] |
| Numbers Produced | 38.300 |
| Crew | 6 (Squad Leader, Gunner, Loader & Three Ammunition Bearers) |
| Calibre | 81mm |
| Elevation | +14° to +85° |
| Traverse | 14° |
| Cartridge Weight | [@cartridge_weight] |
| Round Weight | 3.1 kg HE / 4.82 kg Smoke |
| Barrel Length | 1.257mm |
| Overall Length | [@length] |
| Grenade Types | [@grenade_types] |
| Mount | [@mount] |
| Combat Weight | 62 kg |
| Operation | [@operation] |
| Cooling System | [@cooling] |
| Sights | M4 |
| Feed | [@feed] |
| Practical Rate of Fire | 18 r.p.m |
| Maximum Rate of Fire | 30 r.p.m |
| Blank Cartridge | [@blank_cartridge] |
| Muzzle Velocity | 210 m/s |
| Fuel Capacity | [@fuel_capacity] |
| Minimum Range | 182m |
| Effective Range | [@effective_range] |
| Maximum Range | 3000m |
| Armour Penetration | [@armour_penetration] |
| Bayonet | [@bayonet] |
| Traction | [@traction] |
| Variants | [@variants] |
| Notes | Based on the Brandt mle 27/31 the M1 was the big brother to the lighter M2, it was built under license with slight modifications and was issued to support Companies at Battalion level in the infantry, airborne and marines. |