| Year | 1939 |
| Weapon Type | Light Anti-Aircraft Gun |
| Origin & Designer | Sweden/Bofors |
| Numbers Produced | 300 |
| Crew | 8 |
| Calibre | 40mm (40x311R) |
| Elevation | -10° to +90° (M35) -1° to +90° (M39) |
| Traverse | 360° |
| Breech | [@breech] |
| Recoil | Hydrospring |
| Gun Sight | Stiffkey |
| Gun Mount | Cruciform |
| Carriage | Four Wheeled Trailer |
| Trailers | [@trailers] |
| Gun Shield | [@gun_shield] |
| Armoured Plate | [@armoured_plate] |
| Barrel Length | 2.250mm (L/56) |
| 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 | 907g (HE) |
| Muzzle Velocity | 850 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 (3 ton Truck) |
| Variants | [@variants] |
| Notes | [@notes] |