Mike,
Thanks for the additional info, that gets us right to the point.
My Super Grade is a Cabelas Anniversary model so is similar/same vintage as yours.

With the 154gn Hornady SP, try the following:

50gn H 414 and Fed 210 for 2836fps and .816" in my rifle. OAL is 3.136"
51gn Rel 26 and Fed 210 for 2628fps (Nothing to brag about) but is shoots well @ .576" with and OAL of 3.133" ( a hair deeper)
46gn VARGET and Fed 210 for just on 2800fps and around .75" but I tried this a little deeper with an OAL of 3.087"

I have tried a lot of seating depth OAL's with this bullet from 3.136" - 3.070" and I feel 3.130 + - is a good place for your to start.
Have fun,
John


When truth is ignored, it does not change an untruth from remaining a lie.