S stan v Member Joined Jul 14, 2015 Messages 109 Reaction score 48 Location Texas May 4, 2019 #21 Psweigle said: I will add my 10.5 grain hs7 load with magnum primers to the list. Works very well in the coonan and 77/357 rifle as well. I too am using the lee tl 158gr rn. I powdercoat mine though. Click to expand... I have 2 lbs of this (571) and have been looking for a use in 357. Do you know the velocity of your load?
Psweigle said: I will add my 10.5 grain hs7 load with magnum primers to the list. Works very well in the coonan and 77/357 rifle as well. I too am using the lee tl 158gr rn. I powdercoat mine though. Click to expand... I have 2 lbs of this (571) and have been looking for a use in 357. Do you know the velocity of your load?
