I decided to get a 300 Win Mag. I have a Rem 700P in 308 and I think it shoots OK - 2.5" at 300 yards in a no wind condition. Does the 300 win mag shoot about the same? I also am looking at getting a custom gun built on a Stiller 700 clone, Krieger barrel AICS stock... as you can guess it will cost $$$ and it will take about 3 months to build by a world class smith in my neck of the woods. vs a bit over $900 and a week's wait for the stock Remington. Therefore in my mind I am trying to figure out what is the average accuracy of a Rem 700P in 300 win mag and what should I expect from a custom job accuracy wise. I am looking at using this beyond 600 since I am fairly comfortable with a 308 out to that distance. I would shoot 220 SMK or 210 SM. Basically is it worth paying about $1500 or more for a custom job to gain that extra xx moa?