The development of the indigenously-designed heavy artillery gun, the Advanced Towed Artillery Gun System (ATAGS), has advanced to a stage where user-assisted trials of the gun are likely to start by June.

Advanced Towed Artillery Gun System (ATAGS)

  • The ATAGS is a 155mm, 52 calibre gun being developed by the DRDO on two parallel tracks: one prototype is being built in partnership with Tata Power (Strategic Engineering Division), and the other is in collaboration with Bharat Forge.
  • The gun currently weighs about 18 tonnes while the ideal weight for the army would be 14-15 tonnes.
  • The gun has several significant features including an all-electric drive, high mobility, quick deployability, auxiliary power mode, advanced communications system, automated command and control system.
  • It also sports a six-round magazine instead of the standard three-round magazine.
  • This necessitates a larger chamber and is a major factor pushing up the overall weight of the system.
  • The Army, which has been seeking to accelerate the modernisation of its weaponry, recently inducted its first modern pieces of artillery in three decades: the M777 Ultra-Light Howitzer from the U.S. and the K9 Vajra-T tracked self-propelled artillery gun from South Korea.


  • DRDO conducted the proof firing of armament for the 155/52 calibre Advanced Towed Artillery Gun System on 14 July 2016. The test was successful.
  • Fully integrated, 155-millimeter artillery gun fired its first rounds of live ammunition at the Proof and Experimental Establishment (PXE) in Balasore, Odisha on 14 December 2016.
  • During trials in 2017, ATAGS broke the world record for 155 mm gun by firing the round to a distance of 47.2 kilometers.
  • The gun successfully completed trials and the manufacturing of first lot of 40 guns is to start soon.
  • Two guns are currently undergoing trials and another two guns will join the trials in a month

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