I have an older ADL made circa '89 with the walnut stock in an '06. While it is not my most accurate rfile, I can say that the wood to metal fit is much better than what I see today. One other item I always check is how well the bolt mates to the receiver when camming/extracting. Many Remington bolts need to be retimed due to not having proper extraction. My older ADL camming is much better than my Remington made circa '05. Lastly, my older ADL hits the primer dead center every time. There are no off center, primer strikes. Just a few things to check out.
I have noticed that the Remingtons made the last couple years (having the stamping on the receiver on the bolt notch) seem to be made and are more true. The finishes on the other hand are something that need to be replaced.