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Nice pictures of ZTZ-99



Armament

Type 99 Its 125mm gun in clear viewThe ZTZ99's main armament includes a dual-axis fully-stabilised 125 mm/50-calibre ZPT98 smoothbore gun with a carousel-style autoloader, a thermal sleeve, and a fume extractor. It is a further development of the 120 mm Chinese Design while many foreign observers thought it would be just a Chinese version of the Soviet 2A46M-1 type 125 mm gun. The Chinese gun with 120 mm turned out to be slightly better than 125 mm in some aspect, but 125 mm was chosen due to the selection of T-72-type autoloader. The 120 mm gun end up on type-89 SPATG with a semi-autoloader. The 125 mm tank gun was successfully developed as early as 1985. After continued improvement, the ZPT98 tank gun with 125 mm achieved higher bore pressure than the 120 mm.

The gun can be fired by either electronics or manual control. The gun barrel can be replaced within one hour. Loading is mechanical with 41 rounds carried inside the turret and vehicle hull while 22 rounds are stored within the autoloader. The gun can fire about 8 rounds per minute using autoloader and 1~2 rounds per minute with manual loading. Ammunition includes armour-piercing fin stabilized discarding sabot (APFSDS), high explosive anti-tank (HEAT), and high explosive fragmentation (HE-FRAG) projectiles. China has also reportedly manufactured Soviet AT-11 laser-guided anti-tank missiles (ATGM) to be fired from the 125 mm gun for enemy tank with Explosive Reactive Armour, with an effective range of 4 km. In addition, the Chinese have developed depleted uranium (DU) rounds for their tanks and these may be available for the Type 99. The primary kinetic energy armour-piercing ammunition for the 125 mm tank gun is the APFSDS round with a 50:1 length/calibre heavy tungsten alloy penetrator and the round has a muzzle velocity of 1,780m/s and is capable of penetrating 850 mm steel armour at a distance of 2,000m. A depleted uranium (DU) APFSDS round which can penetrate 960 mm steel armour at a distance of 2,000m and the accuracy range would be approx 5 km on non moving target with APFSDS depleted uranium.

From Type 98 to all Type 99 variants, they are all armed with a ZPT98 125 mm smoothbore gun with a length/calibre ratio of 51:1. the barrel is made of high-intensity PCrN13NoV, muzzle velocity is comparable to that of Soviet 2A46M-1 type 125 mm gun. hydraulic self-strengthening technology has resulted in a much stiffer barrel, the length is 6,412 mm, it has a lifetime of 700 armor-pieceing rounds. the thermal sleeve is of a double aluminium plate structure with air gap, it consist of 5 non-interchangeble parts, its effective rate is 70%. ZPT98 can be replaced on battlefield within 1 hr
 
whats with the last pic? looks like someone pasted something over the tank
 

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