I just had a .300 win mag built with a DBM (AI mags). I have been trying to work on a load for it using the Berger 210gr VLD, but i was needing some advise on seating depth since i have a DBM.
If you just had the rifle built you had the smith set it up so you could set the bullet out to the lands and still fit the magazine right. Thinking that happened read this.