22 PPC load data range results flame
The blue is the same load with Norma brass and Rem. BR primers
Mod 200 Stevens, $ 69.00 Tru Glo scope not too clear, Shaw heavy barrel, Tupperware stock not bedded,6 pound trigger, sand bag rests, 50 yards, Roll Eyes reformed 7.62x39 nny ( Yugo ) cases. Large Rifle primers, This old man is not the steadiet shot either.
34 grain HP Mid South Bulk. OAL=1.920"
28.5 grains H-322, Clean, 3768 to 3789 fps., 6 shot .700" group. 3700 to 3795 fps., 7 shot .500" group at 50 yds.
27.5 grains IMR 4895, some soot, mild, 3410 to 3530 fps., 10 shot .650" group. 3158 to 3246 fps., 5 shot .250" group at 50, 1.000" group at 200 yds.
31.5 grains 2230-C, fills case, clean , some what hard bolt lift but no other pressure signs, 3972 to 4067 fps. 7 shot .500" group. 3990 to4052 fps., 5shot1.000" group at 50yds. but a 3 shot 1.000" group at 200 yds.


52 grain fb, HP. Berger, OAL= 2.000"
26.5 grains H-322, slightly hard lift but no other pressure signs. 3412 to 3469 fps. 4 shot .700" group. Possibly Near max. for this case. 3336 to 3355 fps. 5shot .375" group at 50 yds after 3 fouling shots all 8 shots were .750"

This 7.62 nny brass is significantly thicker than NORMA brass.
The only thing I can see is that the cases and primer difference didn't mean much with this Equipment .

FYI nny brass is PRVI.