3. Flexibility: Hodgdon RETUMBO powder may be used in many different firearms, which include rifles and handguns. Super fast shipping and delivery as usual. Powder Valley has the best rates all over on powder. Just reloaded some retumbo for my .300 PRC so we’ll see the way it does, but https://riveroqhaw.eedblog.com/26622786/the-retumbo-smokeless-powder-diaries