2A46 125 mm gun
| 2A46 125 mm gun | |
|---|---|
| 2A46M-1 in Motovilikha Plants museum | |
| Type | Smoothbore tank gun | 
| Place of origin | Soviet Union | 
| Service history | |
| In service | Since 1970 | 
| Production history | |
| Designer | Spetstekhnika Design Bureau | 
| Produced | 1970–present | 
| Specifications | |
| Mass | 2A46: 2,675 kg 2A46M: 2,400 kg | 
| Length | 2A46: 6,350 mm 2A46M: 6,381 mm | 
| Barrel length | 6,000 mm L48 | 
| Caliber | 125 mm | 
| Muzzle velocity | APFSDS: 1,715-1,800 m/s HEAT: 905-950 m/sHE: 760 m/s | 
| Effective firing range | APFSDS / HEAT: 3,000 m HE: 4,000 mATGM: 5,000 m | 
The 2A46 (also called D-81TM) is a 125 mm/L48 smoothbore cannon of Soviet origin used in several main battle tanks. It was designed by OKB-9 (Artillery Plant No. 9) in Yekaterinburg.