D dbranger94 Private Minuteman Feb 16, 2010 1 0 46 Dec 7, 2020 #1 Dec 7, 2020 #1 I am trying to guesstimate a subsonic .308 load. I have some IMR4227, some 200gr SMKs (2230) and a 24" 1/10 barrel. My guess is to start at around 8 grains?
I am trying to guesstimate a subsonic .308 load. I have some IMR4227, some 200gr SMKs (2230) and a 24" 1/10 barrel. My guess is to start at around 8 grains?