Originally Posted by
huntingbigun
Every now and again a gun will not like a powder or a bullet. I worked on 26 loads for my 375 to shoot Partitions, 5 different powders. Flyers, poor group you it. Gave up started over with Swift A Frame life was good.
So I start over with something different. Maybe try some good factory ammo. PS try 3 different factory ammo on the 375 they sucked until I tried the Remington Safari with Swift.
Also 300 WSM has less case capacity than 300 win mag, have you tried 4350 instead of RL-25, 200 grain AB is a long bullet, I use them in my 300 RUM my old 300 win mag did not like them near as good as the 180. The group in windy condtions may be suspect. I try never to use as a baseline a one day group,
Heck give you a reason to load and shoot some more, good luck