1680

Decided to work up some x39 loads using 1680 powder. The following load data are what I found: Max charges using Hornady .310" 123gn FMJ bullets. Hornady - 23.9gn Lyman - 25.7gn Western - 27.3gn Speer - 28.2gn (using Speer bullet, not Hornady). I decided to work up loads from 23.0 - 27.0, in...