So I went to the range few weeks ago with the crony and tried out some of my Norinco surplus ammo, anyways here are some of the results. On a side note, the rfb would not cycle the surplus ammo at all unless I had a thin film of oil on the brass, then it ran perfect.
AR15 12.5" Barrel Norinco .223 55g ammo
2893
2916
2837
2904
2901
2889
2918
2894
2871
Tavor 18.5" barrel Norinco .223 55g ammo
3216
3266
3292
3271
3360
3235
3227
Kel-Tec RFB 18.5" barrel Norinco 7.62x51 145g ammo
2699
2701
2749
2709
2777
2702
2756
2804
2693
2748
AR-10 18" barrel Norinco 7.62x51 145g ammo
2676
2690
2714
2656

AR15 12.5" Barrel Norinco .223 55g ammo
2893
2916
2837
2904
2901
2889
2918
2894
2871
Tavor 18.5" barrel Norinco .223 55g ammo
3216
3266
3292
3271
3360
3235
3227
Kel-Tec RFB 18.5" barrel Norinco 7.62x51 145g ammo
2699
2701
2749
2709
2777
2702
2756
2804
2693
2748
AR-10 18" barrel Norinco 7.62x51 145g ammo
2676
2690
2714
2656

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