| 7.58 cm Minenwerfer a.A. | |
|---|---|
 A 7.58 cm Minenwerfer at the Brussels Army Museum | |
| Type | Light mortar |
| Place of origin | German Empire |
| Service history | |
| Used by | German Empire |
| Wars | World War I |
| Production history | |
| Designer | Rheinmetall |
| Designed | 1909 |
| Manufacturer | Rheinmetall |
| Variants | n.A. |
| Specifications | |
| Mass | 147 kg (324 lb) |
| Barrel length | 23.5 cm (9.3 in) L/3.1 |
| Crew | 5-6 |
| Shell | 4.6 kg (10 lb 2 oz) |
| Caliber | 75.8 mm (2.98 in) |
| Recoil | hydro-spring |
| Carriage | platform |
| Elevation | + 45 to + 78 degrees |
| Traverse | 7° |
| Rate of fire | up to 45 rounds per minute |
| Muzzle velocity | 90 m/s (259 ft/s) |
| Effective firing range | 300 m (330 yd) minimum |
| Maximum firing range | 1,300 m (1,400 yd) |
The 7.58 cm Minenwerfer a.A. (alter Art or "old model"), also 7.58 cm Leichter Minenwerfer (7.58 cm leMW, sometimes also LMW; "light mine launcher"), was a German First World War mortar.