Here is my 458 win mag Encore.
https://i.postimg.cc/dtVK292j/20230811-185009.jpg
Starter loads with a 420gr hard cast
https://i.postimg.cc/ZnVzk9SN/20231121-110351.jpg
It's a shooter
https://i.postimg.cc/wxVpRrmB/20230914-110433.jpg
A few different loads to try
https://i.postimg.cc/pXcMqnkb/20231020-154739.jpg