| D-10 tank gun | |
|---|---|
 D-10S gun on an SU-100 tank destroyer | |
| Type | Rifled tank/antitank gun |
| Place of origin | Soviet Union |
| Service history | |
| In service | 1944 – present |
| Wars | see SU-100 and T-54 |
| Production history | |
| Designer | F. F. Petrov |
| Variants | D-10S, D-10T, D-10TG, D-10T2S |
| Specifications | |
| Mass | 1,438 kg (3,170 lbs) |
| Length | 5.608 m (18 ft 4.8 in) |
| Barrel length | 5.35 m (17 ft 7 in) L/53.5 |
| Shell | Fixed QF 100 × 695 mmR |
| Calibre | 100 mm (3.93 in) |
| Breech | horizontal sliding wedge (semi-automatic) |
| Recoil | hydraulic buffer and hydropneumatic recuperator |
| Carriage | vehicle mount |
| Elevation | +18°, –3° |
| Rate of fire | 4 rounds/min avg 5–6 rounds/min max. |
| Muzzle velocity | 1,000 m/s (3,281 ft/s) |
| Maximum firing range | 14,600 m[1] (16,000 yds), or 16,000 m[2] (17,500 yds) |
The D-10 is a Soviet 100 mm tank gun developed in late World War II. It originally equipped the SU-100 tank destroyers and was later selected for the T-55 tank, equipping these as late as 1979. On the T-55 the D-10 continues to be in active service in many countries.