http://www.gibrass.com/gunpowder.html
Propellant Description
Name
BR-5 Recently acquired. Brand new, current production. This is a double-based ball
type powder, originally intended for 9x19mm ammo. Meters very consistently.
Burning rate is similar to Hercules Unique, which data can be used. Additional
data available on request. Clean burning with consistent results.
This is new powder, not pulldown.
$100/6# jug