It is armed with a 155 mm / L52 howitzer and has a maximum firing range of 41 kilometres (25 mi) with ERFB-BB ammunition.

[3][4] Created as a shared project between Konstrukta Defense and ZTS Special, using technology developed for SpGH Zuzana 2.

Utilizes a 155 mm gun, 52-caliber, achieving a range of up to 41 km (25 mi) using specialized ERFB-BB munition.

Multiple round simultaneous impact firing mode is supported and the howitzer can be connected to command and control system of a battalion battery.

[2] In August 2024, Konstrukta Defence tested the EVA M2 variant (iniatially revealed in September 2023 under a name BIA[6]).