Talley lows, or extra lows.
Either buy ones above, and I think I saw extra lows on euro optics
Here is t3x SL with low Talleys and 42 mm Nikon M with a cap. Still room to be had.
https://i.imgur.com/AhB16jA.jpg


All of them do something better than the 30-06, but none of them do everything as well.