7.62x39 vs 308 vs 7.62x54R: Everything You Need To Know
https://thebiggamehuntingblog.com/7-62x39-vs-308-vs-7-62x54r/
WEBThe 7.62x54R is the largest and the 7.62x39mm is the smallest cartridge in terms of case length, overall length, rim diameter, and case capacity. However, the 7.62×39 and 7.62×54 both have the same bullet diameter. Additionally, the 7.62×51/.308 Winchester and 7.62×39 are rimless cartridges while the 7.62x54R is a rimmed cartridge.
DA: 75 PA: 79 MOZ Rank: 18