| Year | 1940 |
| Weapon Type | Light Anti-Aircraft Gun |
| Origin & Designer | Denmark/Madsen |
| Numbers Produced | 4 x m/33 & 8 x m/37 |
| Crew | 5 |
| Calibre | 20mm (20x120) |
| Elevation | -5° to +85° |
| Traverse | 360° |
| Breech | [@breech] |
| Recoil | [@recoil] |
| Gun Sight | [@gun_sight] |
| Gun Mount | F.6 AA Mount |
| Carriage | Two Wheeled Carriage |
| Trailers | [@trailers] |
| Gun Shield | [@gun_shield] |
| Armoured Plate | [@armoured_plate] |
| Barrel Length | 1.200mm (L/60) |
| Overall Length | 2.250m |
| Width | [@width] |
| Height | [@height] |
| Weight | Weight in Traction: 340 kg Weight in Action: 260 kg |
| Round Weight | 1.12 kg (HE) |
| Muzzle Velocity | 890 m/s |
| Feed | 15 Round Magazine |
| Magazine Capacity | [@magazine_capacity] |
| Practical Rate of Fire | 150 r.p.m. |
| Rate of Fire | [@rate_of_fire] |
| Maximum Rate of Fire | 350 r.p.m. |
| Maximum Ceiling | 2.950m |
| Maximum Ground Range | 4.700m |
| Maximum Range | [@maximum_range] |
| Armour Penetration | [@armour_penetration] |
| Traction | Pack (Four Horses) or Motorised (Truck) |
| Variants | [@variants] |
| Notes | Another Madsen product which was issued to anti-aircraft battalions, some were mounted on trucks to give mobility and others horse drawn, it could even be broken down into four units for pack transport. |