Handloading the 50-70 Government - data from the Lyman Cast Bullet Handbook 3d Edition

[Snidely70431]

Handloading Data from Lyman Cast BulletHandbook 3d Edition 50-70 Government

Lyman #515139 334 grain 2.125 OAL
Powder Suggested starting grains Velocity Maximum grains Velocity
Unique 11.3 1114 15.5 1300
630 18.0 1154 24.4 1465
SR-4759 21.0 1177 27.5 1461
IMR-4227 21.0 1109 29.0 1464
IMR-4198 26.5 1179 34.5 1471
IMR-3031 36.0 818 44.0 1181
Ffg 50.0 1113 70.0 1318
Pyrodex CTG 38.0 1072 52.5 1370

Lyman #515141 422 grain 2.132 OAL
Powder Suggested starting grains Velocity Maximum grains Velocity
Unique 11.0 1103 14.8 1211
630 18.3 1154 22.7 1306
SR-4759 22.0 1114 26.5 1114
IMR-4227 22.0 1102 27.3 1333
IMR-4198 25.5 1129 30.0 1304
Ffg 43.0 1113 55.0 1318
Pyrodex CTG 37.0 1037 52.5 1252

Lyman #515238 440 grain 2.133 OAL
Powder Suggested starting grains Velocity Maximum grains Velocity
Unique 11.0 1006 14.5 1207
630 18.5 1140 22.5 1318
SR-4759 21.7 1177 26.0 1321
IMR-4227 21.0 10 94 26.3 1326
IMR-4198 26.0 1129 31.0 1304
IMR-3031 33.0 1078 39.0 1292
Ffg 48.0 1113 60.0 1318
Pyrodex CTG 33.0 952 45.0 1170

Lyman #515142 498 grain 2.223 OAL
Powder Suggested starting grains Velocity Maximum grains Velocity
Unique 10.5 940 13.8 1114
630 15.7 973 21.0 1218
SR-4759 18.5 942 24.0 1215
IMR-4227 19.0 950 29.0 1464
IMR-4198 22.3 950 28.5 1188
IMR-3031 27. 5 865 31.5 1005
Ffg 43.0 913 55.0 1054
Pyrodex CTG 32.0 892 42.8 1074

 

[DILLONHELP]

Did the manual provide any pressure data?

 

[Snidely70431]

Did the manual provide any pressure data?

No, or I would have included it. This was the only table in several books that I have that had anything on the 50-70 Government.

 

[25-20 WCF]

More published data.

 

[Snidely70431]

More published data.

View attachment 1180160View attachment 1180161
View attachment 1180162

Thanks. Most of the books I have do not have any loading data for the 50-70 Government.