Look at this website and it should answer all your questions. http://www.gunpartscorp.com/catalog/Products.aspx?catid=5461
If you hunt with it, you have a proven scope that has worked apparently very well for the past 30-40 years. Why change? Something wrong with it?...
New Super Grade, no problems what so ever.
Actually I owned a 1992 era Model 70 Super Grade that was CRF. May have been reintroduced earlier but probably not more than a couple of years...
Your leaning towards the .270 Win or 30-06 Spfd are very good choices. Both are excellent cartridges for what you stated you were going to do...
I have one of the CDNN 101's and use mine to shoot in skeet leagues. No trouble what so ever for better than a year straight. I like mine. They...
CDNN has a good selection. Just look for those with the MOA trigger. That is the new trigger in the S.C. built models.
Winchester is currently offering the Model 70 Sporter in 25-06 with a 24" barrel.
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