I guess it depends on what you want the ammo for, I do load for the 7.62X39, my custom ammunition is more accurate than any steel cased ammo i have shot.
I think the biggest difference is the bullet quality, the the surplus ammo and like are made to be cheap and "accurate enough" IMO.
NRA Lifetime Member Since 1999
"I ask, sir, what is the militia? It is the whole people except for a few public officials." George Mason