| Year | 1936 |
| Weapon Type | Light Anti-Aircraft Gun |
| Origin & Designer | Sweden/Bofors |
| Numbers Produced | 8 |
| Crew | 8 |
| Calibre | 40mm (40x311R) |
| Elevation | -5° to +90° |
| Traverse | 360° |
| Breech | [@breech] |
| Recoil | Hydrospring |
| Gun Sight | [@gun_sight] |
| Gun Mount | Cruciform |
| Carriage | Four Wheeled Trailer |
| Trailers | [@trailers] |
| Gun Shield | [@gun_shield] |
| Armoured Plate | [@armoured_plate] |
| Barrel Length | 2.250mm (L/60) |
| Overall Length | 5.18m |
| Width | 4.03m |
| Height | 4.03m |
| Weight | Weight in Traction: 2.400 kg Weight in Action: 1.730 kg |
| Round Weight | 2.1 kg |
| Muzzle Velocity | 900 m/s |
| Feed | 4 Round Clip |
| Magazine Capacity | [@magazine_capacity] |
| Practical Rate of Fire | 90 r.p.m. |
| Rate of Fire | [@rate_of_fire] |
| Maximum Rate of Fire | 120 r.p.m. |
| Maximum Ceiling | 4.300m |
| Maximum Ground Range | 6.790m |
| Maximum Range | [@maximum_range] |
| Armour Penetration | [@armour_penetration] |
| Traction | Motorised (Medium Truck) |
| Variants | [@variants] |
| Notes | The Estonians aquired eight Bofors anti-aircraft guns in 1936, it is not clear if these came directly from Sweden or from stock built under lisence in Poland. These weapons were issued to the Air Defence Battalion. |