The XM291 Advanced Tank Cannon (ATAC) is an American experimental 120 or 140 mm smoothbore tank cannon. It started development in 1991 as a way to substantially increase the performance of tank cannons against the perceived threat of future Soviet main battle tanks.

The Autoloaded and SCALable Outperforming guN or ASCALON is a French smoothbore 140 mm tank gun of 50 calibers designed by Nexter. This gun is currently mounted on the latest prototype of the EMBT, the Leclerc Evolution prototype and is proposed for the MGCS project.

Jun 17, 2024 · The EMBT-ADT 140 main battle tank is scheduled for a firing-on-the-move demonstration in 2025. The tank's technical characteristics are notable, particularly regarding its firepower. The turret includes a 140mm, 48-caliber smoothbore gun with an autoloader that can hold up to 22 rounds.

Feb 22, 2019 · French defense contractor Nexter has reportedly been testing a modified Leclerc main battle tank with a massive 140mm main gun as part of the development of a future Franco-German tank, known as the Main Ground Combat System, or MGCS.

It was armed with a 140 mm smoothbore gun designed by the arsenal of Bourges (EFAB). In order to avoid being scrapped, the prototype turret was restored in the 2010s and mounted on a former Leclerc hull which was used in its last years as a towing vehicle.

Jun 19, 2024 · Featuring an upgraded Leopard chassis with shortened engine to increase space inside the vehicle’s compartment, EMBT features KNDS’s new EMBT-ADT 140 uncrewed turret, which includes the 140mm...

Jun 26, 2024 · The new EMBT-ADT 140 main battle tank variant features a 140mm ASCALON gun, a coaxial 102mm gun, and a Remote Controlled Weapon Station (RCWS) with a 30mm gun. Updated: Jun 26, 2024 06:44 AM EST

Jun 10, 2024 · KNDS is actively working to demonstrate the maturity of ASCALON 140mm gun and its ammunition. The last firing campaign in May 2024 has shown the excellent capacities of the 140 and 120mm barrels as well as the APFSDS rounds maturity.

Jan 7, 2025 · At the 2024 EuroSatory exhibition, KNDS France demonstrated the versatility of the ASCALON, with the system capable of being equipped with 120mm to 140mm guns, with caliber changes completed in under an hour.

Jun 14, 2022 · Next-gen EMBT developed by the Franco-German company KNDS [Krauss-Maffei Wegmann + Nexter Defense Systems] can get the integration of 140mm ASCALON cannon.