Has anyone tried this powder for .357 mag. or .44 mag ?
I haven't seen a burn rate chart with this powder in it.
thanks
jj
http://www.alliantpowder.com/products/powder/power_pro_300.aspx
I haven't seen a burn rate chart with this powder in it.
thanks
jj
http://www.alliantpowder.com/products/powder/power_pro_300.aspx