Alright, to be fair to the IA they might be worried about the capability that China unveiled last year:
en.wikipedia.org

Type 100 tank - Wikipedia
Due to advancements in propellant and kinetic delivery technologies, which allow APFSDS rounds to achieve a reported muzzle velocity of roughly 1,706 m/s (5,600 ft/s), the 105 mm gun is reported to be comparable to the larger 120 mm and 125 mm smoothbore guns in terms of general performance

| Chinese | English |
|---|---|
| 战斗全重 <35t | Combat weight (fully loaded) < 35 t |
| 车体重量 <25t | Vehicle weight < 25 t |
| 乘员 3人 | Crew: 3 |
| 车长 7440 | Length: 7,440 mm |
| 车宽 3720 | Width: 3,720 mm |
| 车高 2500 | Height: 2,500 mm |
| 最大速度 65km/h | Maximum speed: 65 km/h |
| 最大行程 500km | Maximum range: 500 km |
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