| Year | 1938 |
| Weapon Type | Light Anti-Aircraft Gun |
| Origin & Designer | German/Rheinmetall |
| Numbers Produced | 8 |
| Crew | 7 |
| Calibre | 37mm (37x263) |
| Elevation | -5° to +85° |
| Traverse | 360° |
| Breech | [@breech] |
| Recoil | [@recoil] |
| Gun Sight | [@gun_sight] |
| Gun Mount | Cruciform |
| Carriage | Four Wheeled Twin Axle Trailer |
| Trailers | [@trailers] |
| Gun Shield | 10mm |
| Armoured Plate | [@armoured_plate] |
| Barrel Length | 2.112mm (L/57) |
| Overall Length | 3.62m |
| Width | [@width] |
| Height | [@height] |
| Weight | Weight in Traction: 3.560 kg Weight in Action: 1.750 kg |
| Round Weight | 0.742 kg |
| Muzzle Velocity | 820 m/s |
| Feed | 6 Round Clip |
| Magazine Capacity | [@magazine_capacity] |
| Practical Rate of Fire | 80 r.p.m. |
| Rate of Fire | [@rate_of_fire] |
| Maximum Rate of Fire | 160 r.p.m. |
| Maximum Ceiling | 4.800m |
| Maximum Ground Range | 6.500m |
| Maximum Range | [@maximum_range] |
| Armour Penetration | [@armour_penetration] |
| Traction | Motorised (Light Truck) |
| Variants | [@variants] |
| Notes | The Estonians recived eight of these modern anti-aircraft guns from the German firm Rheinmetall. Five were bought in 1936 and another three in 1937. They were issued to the Air Defence Battalion. |