The average weight of a 7.62x39 bullet is about 123 grain, give or take 1-2. All things being equal, I imagine the POI of any good round is close to the same. However, I'm curious about good American brass-cased Boxer primed vs Russian steel-based Berdan primed ammo. Is there a significant difference in POI? Meaning, if I shoot brass cased ammo to zero my rifle, will it be close to the cheap Russian stuff, or way off?
1) I realize Russian ammo (Bear, Barnaul, Tula) is not as precise in general, so I'm talking about the aggregate at about 25-50 yards
2) Yes, I also realize I can test this myself, but that's easier said than done. My local indoor range won't allow steel-cased ammo for me to compare, and this is where I want to zero the rifle. 10 minute drive vs 1.2 hour to the nearest outdoor (cold in winter) range.
I'm just looking for other people's experiences. If the answer is "they're way off", then I'll simply wait until I can get to the outdoor range, since my only reason for buying brass ammo is just for this purpose. I have mostly Russian surplus.
1) I realize Russian ammo (Bear, Barnaul, Tula) is not as precise in general, so I'm talking about the aggregate at about 25-50 yards
2) Yes, I also realize I can test this myself, but that's easier said than done. My local indoor range won't allow steel-cased ammo for me to compare, and this is where I want to zero the rifle. 10 minute drive vs 1.2 hour to the nearest outdoor (cold in winter) range.
I'm just looking for other people's experiences. If the answer is "they're way off", then I'll simply wait until I can get to the outdoor range, since my only reason for buying brass ammo is just for this purpose. I have mostly Russian surplus.