As an update, all 3 loads above shot very well with the 77gr being my favorite. The 78 gr's recoil is hursh! All loads were accurate as hunting loads and the powder proved clean burning, absolutely no residue in the action or barrel. I did not measure velocities, that'll be next.
Gents, I finally got around to utilizing my Wideners WC 867 powder on the 7mm Rem Mag. I used 150gr JSP projectiles and loaded 2 each of 76gr, 77gr, and 78gr (based on the H870 reload data which is 74 min to 79 max). I suspect that my WC 867 is yet slower than H870 but I'm not sure so I'll...
Thank you for the warm welcome Foti, I think I'll like it here.
As a quick intro, I've been reloading since the early 80s, for both pistols and rifles, in all sorts of calibers. I love milserps (Swiss, Swedes, Germans, Brazilians....) so I reload for everything I shoot, other than 22LR and...