nastynatesfish
Member
Went out again with the 300 win mag. tried some 180gr accubonds. I think I ended a bit high as the groups started spreading, so they prefer a certain velocity window? But the first and second were both right around an inch and plenty of speed. The n560 was giving damn good numbers as far as I’m concerned. Then shot the 190smk and h4831sc and the numbers continued. I’m going to work the 72.5gr load some. I know only 3 shot groups. But it gives me a solid start point for this rifle.
mall but 1 load I tried gave me single digit es/sd the one that didn’t was 10sd and 20es. Can’t load the videos. But here’s the target. I circled groups and marked them.
the left one I circled was 72.5gr h4831 190smk
Ave-2916fps
Sd-3
Es-5
The bottom left circle was 74gr n560
Ave-3049
Sd-4
Es-9
I’m going to load the same ones again and mess with seating depth some. I also redid the first load that shot well of 70.5gr h4831sc with the 190smk
Ave-2863
Sd-6
Es-12
I think I’ve got some good starting points to play with.
mall but 1 load I tried gave me single digit es/sd the one that didn’t was 10sd and 20es. Can’t load the videos. But here’s the target. I circled groups and marked them.
the left one I circled was 72.5gr h4831 190smk
Ave-2916fps
Sd-3
Es-5
The bottom left circle was 74gr n560
Ave-3049
Sd-4
Es-9
I’m going to load the same ones again and mess with seating depth some. I also redid the first load that shot well of 70.5gr h4831sc with the 190smk
Ave-2863
Sd-6
Es-12
I think I’ve got some good starting points to play with.
![IMG_6232.jpeg IMG_6232.jpeg](https://www.thehighroad.org/data/attachments/1097/1097779-2dffc3d5b0b796c103ec71961b2772cb.jpg)
![IMG_6228.jpeg IMG_6228.jpeg](https://www.thehighroad.org/data/attachments/1097/1097780-c0023d7db8a66aa20115c4e16a755ff3.jpg)
![IMG_6223.jpeg IMG_6223.jpeg](https://www.thehighroad.org/data/attachments/1097/1097781-72a23d6063c62f05cddc11fca2e1466f.jpg)
![IMG_6225.jpeg IMG_6225.jpeg](https://www.thehighroad.org/data/attachments/1097/1097782-37028a2afdb71f0f5c6391e421e9abdb.jpg)