[diggler1833]

I remember a couple conversations about this recently. Not cheap, but a fantastic powder that is available (at the moment).

Vihtavuori N320 Smokeless Gun Powder 4 lb

Vihtavuori Smokeless Powder is used by the some of the best shooters and manufacturers in the competitive shooting industry, they have gained an...

www.midwayusa.com

 

[retrieverman]

Powder Valley has 4 pounders too.