I have a rem 700 BDL in 30-06 that I got shooting lights out with the 165 GMX I live in CA so I need to have a monolithic bullet in the quiver. I was was looking at velocities and minimum speeds for expansion and I need more speed. At 2800 FPS sea level I'm looking at about a 500 yard max shot but this rifle has been accurate to 900. Is it possible to rechambering to a 300 win mag and retain the accuracy. I'm sure the only way to know for sure is to try it but I wanted to see if anyone had any experience doing this.