i have retumbo, h1000, imr4831, 7828 and h50bmg. i loaded up my first ones earlier today and decided to start with 61 grains of the retumbo with the 130 vlds and see how it likes there and go from there.
My load for my Rem 700 CDL SF is 68 grains of Retumbo WW case Fed 215M primer 140 gr Berger .010 off the lands. Shooting under moa at 100 yards, and velocity is 3166 fps with sd of less than 10.
Best load I've found so far.