Well, I am having issues with reloading for my 300 win mag. I am new at reloading this caliber. I have reloaded for 308 before which was really easy, but this one has me confused. I am seeing a lot of different info on brass length for this caliber. I am also seeing a lot of stuff about worrying about lands, which I am not sure about. I am getting the brass to the proper length acording to the nosler manuel and when i put a bullet in the round slides around with minimal pressure. So my question is what is the range in length that this brass can safely be? How do I get the bullets to seat in better without them sliding around?