Russian culture and further tanks of T-series, including T-54/55, the most produced tank in history, first fully gas turbine tank T-80 and the most modern Russian tank T-90. The AK-47 and AK-74 by Mikhail Kalashnikov constitute the most widely used type of assault rifle throughout the world – so much so that more AK-type rifles have been produced than all other assault rifles combined. With these and other weapons Russia for a long time has been among the world's top suppliers of arms. Ethnic Russian clothes include kaftan, kosovorotka and ushanka for men, sarafan and kokoshnik for women, with lapti and valenki
AK-47 approximately relative to the line of sight. Soldiers are instructed to fire at any target within this range by simply placing the sights on the center of mass (the belt buckle, according to Russian and former Soviet doctrine) of the enemy target. Any errors in range estimation are tactically irrelevant, as a well-aimed shot will hit the torso of the enemy soldier. Some AK-type rifles have a front sight with a flip-up luminous dot that is calibrated at , for improved night fighting. The AK-47 was originally equipped with a buttstock, handguard and an upper heat guard made from solid