Hi Guys, I have a Mark V Weatherby In 300. It is an older one made in Germany with a 1-12 twist. So I've been thinkin of rebarreling it. I have a few question before I start saving money. 1. Chrome Moly VS. Stainless Steel barrel? 2. Barrel Contours #3,4,5,or 6? 3. Grooves 3 or 5? And what about Polygonal? 4. Twist 10 or 12? I would like to shoot 168 or 185 berger's. 5. Freebore or No Freebore? 6. Fluted or No Flutes? 7. 26" or 28"? I am a hunter. I lookin for better accuracy then my factory barrel. My shots typical are 800 and less. But would also like to shoot further. Thanks for the input.