Montelan BT-51 "Konstantina" MBT (non rotatable turret)

Developed by Silburn Arms and Co, the BT-51 Main Battle Tank also known by it's nickname "Konstantina" is developed as a new replacement for the aging Gregory Medium Battle Tanks that preceded the Konstantin and were used throughout the 1920s-40s, the Konstantina is armed with a 125mm cannon with APFSDS shells designed to penetrate as much armor as possible with a HEAT round alternative as a bunker busting and anti-tank shell with anti infantry capabilities.