New BP sub I might try in my 56-50 Spencer

[Dakota Widowmaker]

http://www.chuckhawks.com/blackpowder_breakthrough.htm

Sounds like an updated version of BlackMag-3...

Comments? Suggestions???

[Fox Creek Kid]

I heard about it from the SHOT Show and my ol'd buddy, the "Mad Monk" (Bill Knight) is waiting to get a sample to test. By the way, it figures to be about $40.00 lb. & is made in Canada. How many cases you want?