What I would recommend is choosing the rifle you shoot best over sentimental value. Personally, I abhor the 30.06 because of the parabolic trajectory and heavy recoil. That being said, it has killed a LOT of mule deer and will work if it is all you have. Shots opportunities on mule deer are VERY often >300 yards. There are MANY instances where getting closer is not possible. Practice shooting on uneven ground, shooting at angles, etc. I have seen a LOT of mule give the slip because the hunter could not find a suitable position for a long shot. Become a proficient rifleman. There are several respectable mule deer bucks on my wall that I attribute to both hunting hard, AND being a better than average marksman. You will find more success if you have both.Thanks for the suggestions.
Had the 30-06 hiding in the back of the safe and I had not killed anything with it yet so I thought I would give a chance.
Yes!Looks like I need to find a longer range.