http://castboolits.gunloads.com/showthread.php?286621-Mid-Range-Ammunition-For-The-Krag-Rifle-(American-Rifleman-Jan-1906)
Interesting does anyone know the modern powder comparable to Laughlin and Rand Lightening?
Not a clue what would be close, since we don't know the velocity there's be no way to compare modern powder that got the same speed from similar charge.