This is my first and I want to make it right. So here goes first off is the action should I go with a custom such as a Stiller or any other that would be good but still affordable or should I buy a rem 700 donor and have it worked up. The 700 would do the job I know but is a custom that much better because of of the added details such as a tighter bolt, extra long barrel tenon, heavier recoil lug, beter extractor for magnums, and heavier platform. I guess what I'm asking is the price difference worth it. The barrel will be a Broughton around 28 or so with 5c 9 twist. And stock leaning towards a Mcmillen M40a or T5a. The caliber Im interested in is a 7mm-300 WSM. The 7mm has always been a favorite of mine and the 7mm have a great Bc. Probably going to do it on a long action so that I can seat the bullets out far enough to maximize case capacity. Any advice or input would be greatly appreciated because like I said this is my first and I hope to do it right. Thanks.