sentences:  Converted M-46 130mm gun to Nora standard using 152mm or 155mm 45 caliber barrel and other parts developed through Nora program.In 155mm M46/84 variant range of 39 km is achieved with ERFB/BB ammunition's with 2078 square meters lethal zone compared to 27 km standard range and 630 square meters lethal area for the original M-46 130mm gun.Lightweight variant with 155mm 39 caliber barrel and high rate of fire(8 rpm), new counter-recoil system and the possibility of use of semi-automatic loader.