 Since the standard Russian military rifle cartridge of the time, the 7.62×54mmR rimmed round, was too powerful and generated excessive recoil in an automatic weapon, a 6.5 mm round was seen as more appropriate.Early designs by Vladimir Fedorov utilized 6.5×50 mm, including the Fedorov Avtomat rifle which was issued to troops, though in small numbers.Later, Russian troops on the Armenian front were issued with Type 38 carbines by the tsar's government.