Re: 6.5x284 win or Norma for long range
It depends on how long you want to seat the bullets. If you want a 140VLD in a short action, you will be limited on how far out you can seat them if you want to use the rifle as a repeater. The more aggressive the bullet for a given COAL, the shorter you want your throat. I think guys get confused on this. They think VLD throats need to be longer. The fact is, seating your bullets further out for more case capacity requires more throat length. But for given bullets, if you want to touch the lands, the more aggressive the bullet, such as the VLD, the shorter the throat needs to be for them to touch at a given COAL compared to a bullet that is not as aggressive. Such as the difference between the AMAX and the VLD. If you throat the rifle for the VLD to touch the lands at a given COAL, the AMAX will have to have a shorter COAL. In other the AMAX will hit the lands sooner at the same COAL as the VLD.
If you have a long action, go norma. If you have a short action, go win.
I am having one put together right now as well. I am using a short action with an extended box. My reamer does not have a throat and will be throated seperatly based on my dummy round to fit my COAL of 2.985" I am not loosing that much case capacity. I can still load over 55 grains without any crunch.
If there are accuracy issues with the bullet being too far into the case, I will have the throat lengthened and will seat them further out and use it as a single shot
Long range shooting is a process that ends with a result. Once you start to focus on the result (where the shot goes, how big the group is, what your buck will score, what your match score is, what place you are in...) then you loose the capacity to focus on the process.