Developed in the early 1970s by the UDES research group, Bofors and Hägglunds companies. In 1972, the project was provided by the Bofors company. Later, it was decided to return to the concept with a traversable turret, and development was continued within the UDES 14 project. The Bofors project remained only in blueprints.
Time for the successive autoreloading of each shell into the magazine.
Characteristics are specified for Siege mode.
Characteristics are specified for Rapid mode.
Reload time of the first and second guns on double-barreled vehicles.
Characteristics are specified for vehicles with crews trained to 100%.