Thread: Big Day

Big day in the paddock today .Father inlaw was loading me up sub rounds for my .308 and me driving down to the paddock for test fire,
Bergara TD13 / 16 inch barrel , 1/08 twist
Red dot powder
151 cast projectile ( Roberts )
R.P brass
Whites primers

So started out at 8.5 gr and worked our way down in .5 lots till subsonic .
Got down to 5.5 gr before sub. Shot a x3 round group at 50 mts and got a half inch group
Tomorrow will chrony if wind drops,