308 190 sub x loaded subsonic

[Almartin]

Been shooting these 190 sub x bullets out of my blackout but would like to try them in my 308. Not sure they will stabilize in a 11 1/4 twist? My plan is to try several without my can first to see if they go straight or keyhole. From what I can find looks like around 10.8 ~ 11 grains of trail boss should be close to 1050.

 

[infoman jr.]

I'm curious why you would want to shoot these from a heavier gun since you have your blackout? I doubt they will stabilize, but worth a shot if you like to tinker.