In my Ruger MKII my 3 shot groups with 180 grain partitions and 71.5 gr IMR 4350 avg. 1.25 - 1.5 inches. I have gotten groups inside of a inch with some regular style bullets but for elk hunting I perfer the partitions.
I have been very happy with my 7mm saum so far, I like the compact style for carrying, the recoil is not bad at all and the velocity gives me a reasonably flat trajectory out to 350 yards which is as far as I feel that I need to be shooting in field conditions.
I have had good results with AA4350 (59.0 grains) and 140 grain bullets at 3098 fps and H1000 (66.5 grains) with 160 grain bullets at 2993 fps. These loads were out of a 22" barrel ruger and accuracy has been very good and velocity is a 10 shot average with 14 fps deviation on the 140's and 21...