Re: Need Help finding a remington action...
Are you going to build the rifle yourself or have a smith do it? Many gunsmiths will provide actions.
In my limited knowlege of actions you will need to stay clear of the magnums, the bolt face is to large. Both long and short M700 should work fine. If your planning to feed this rifle one round at a time I know both will work. Now if you plan to install a magazine box I would make sure the rounds will feed into the box.
Like I said I'm no expert, but make sure you ask these question. Bolt face and Mag box.
Good luck on your project. I have a 6.5x284 built on a BAT action, Hart 30" barrel, Shahane tracker stock, Nightforce 8-32x56, and Jewel 2oz. And it shoots like a dream.