7.62×53mmR
The 7.62×53mmR (designated as 7,62 × 53 R by the C.I.P.) rifle cartridge is a Finnish design based on the Russian 7.62×54mmR round dating back to 1891. == History == After gaining its independence in 1917 and after the Finnish Civil War of 1918, large numbers of Model 1891 Mosin–Nagant rifles were in the hands of the Finnish military.