Big E,
Here we are again... My vote would be a heavy sporter over the standard sporter barrel. I have an Axis that is chambered in 22-250. Despite the length differences of the Savage sporter barrels they all have the same taper I believe.... I swapped out my sporter barrel for a CBI heavy sporter and still had plenty of meat around the barrel channel after I hogged it out to accept the heavy sporter... The best I can do for you is this list, which should help you get a pretty good ballpark of what the tappers are going to be.
If you're still going 6.5 Creedmoor then I say you're going to want the heavy sporter over the sporter. Even in 22-250 I can see the difference in accuracy; just my .02 on that subject...
http://northlandshooterssupply.com/w...tour-Sheet.pdf
Sorry, that's all I can help with on this one at this time.
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