Thread: Comparative sequence of Nobel 78

Loaded 85gr 0.312 diameter commercial swaged lead wad cutters into 7.62x51(308) PSD cases with enlarged primer vents (to stop shoulder setback) and Murom green label LRP. Used two other common shotgun powders to make a comparative sequence with Nobel 78. The results may be of use to other reloaders who have stocks of Nobel 78. Data collected using a Labradar.

Green Dot
gr. ft/sec
3.0: 859
3.5: 896
4.0: 984
4.5: 1062
5.0: 1188
5.5: 1257
6.0: 1305
6.5: 1387
7.0: 1485
7.5: 1506
8.0: 1658

Nobel 78
3.0: 708
3.5: 773
4.0: 882
4.5: 1023
5.0: 1057
5.5: 1185
6.0: 1226
6.5: 1340
7.0: 1370
7.5: 1455
8.0: 1572

700X
3.0: 919
3.5: 944
4.0: 1033
4.5: 1129
5.0: 1206
5.5: 1328
6.0: 1397
6.5: 1446
7.0: 1545
7.5: 1632
8.0: 1717