Barrel bore and bullet diameters are all over the place for the 7.62x39 mm (Russian) with the former measuring from 0.308" to 0.311" and the latter being 0.308", 0.310", 0.311" or 0.312".
7.62x39 Reloading Data - Guns and Ammo
Handloads: 7.62x39 mm (Russian)
Reloading Press: 7.62x39mm - Gaming Ballistic
How to Reload 7.62x54R for Mosin Nagants - Shooting Times
Handloads: .30-30 Winchester An Official Journal Of The NRA
Russia's Greatest Round: 7.62x39 - Guns and Ammo
Does Anyone Handload the 7.62x54r? : r/MosinNagant
The Krag Is Still Relevant An Official Journal Of The NRA
30-30 vs 7.62x39: The American and Russian 30 Caliber Clash - Ammo.com - Full30
Complete Reloading Manual For The 7.62x39 PDF
7.62×39mm - Wikipedia
5 Reasons Why 7.62x39mm Beats 5.45x39mm - Firearms News
Handloads: 7.62x39 mm (Russian)
Loading Bench: Rifle Loads For The .44 Remington Magnum
