Re: Retumbo & 338 lapua data?
Boyd has been using it at Williamsport this past match.
I use WC-872 (like H870) in my Tomahawk.
100 to 104 grs works real nice in "my" rifle.
With 210 to 240 gr bullets too.
Make sure you test the 104 gr load when the temp is below 50 degrees.