What grain bullet ?

[Marshal Deadwood]

What grain bullet did the govt use in their 50-70 ammunition ? And,,what/who's mold closest duplicates that today ?

Thank you

MD

[JimBob]

The original bullet weight is 450 grains.The Lyman 515141 is a long time standard as to the original pattern bullet although weights will vary with the lead/tin mixture used.Also NEI #378A .515-450-PB is another choice.There may be others available.