The Burris rings came with some "friction paper" that measures out to just under .005" .... maybe that would help you out?
That was years ago. I threw the rings in the trash as a personal punishment. Lol
Remington actions are/were mass produced usually [I'm guessing] CNC equipment. So what do you think it might add costwise and timewise to produce actions that are within "blueprint" specs? Such actions should pretty much align right on the gnat's a$s with scope bases and mounts, assuming the smith who barrels it does his job correctly. My understanding is that CNC work is somewhat dependent on the skill of the operator.
Tolerances are the key word here. Even with CNC machines, if your fixture is out of alignment, worn, loose, old....then everything you do on that fixture will be off by some degree. I see scope base holes that are off, some just a little, some off by up to .010" side to side, which is going to eat up all your windage adjustments. I have yet to find a Remington 700 with a square front receiver ring after it has been properly dialed in on my lathe. So, I don't have a lot of faith in Factory receivers as a matter of trusting it is square and true. Same can be said for most scope rings and bases. When the cost goes up, it does tend to get better, but not always. Those cheap Weaver rings will hold a scope, but I sure would not bet a $10K guided hunt on them, lapped or not.
It should be the operator's responsibility to see that his fixture is properly maintained and his tooling like drill bits, etc. is properly sharpened unless quantity slop over quality work is deemed good enough. Why couldn't Remington even get the handle properly soldered to the bolt body such that one had the necessary primary extraction? I have 3 of the Remington 700 stainless RR series actions and all 3 needed bolt handle repositioning.
I would say that most of those fixtures never come out of the machine unless the QC shop tells them to check their setups. That ain't gonna happen if it shuts down production for more than a few minutes...if you have run production you know the drill.
This is easily solved also. A couple of strokes of the flat bottoms and tops of the ring halves on 200 grit laid over a hard flat platen to remove the machining marks. This will tighten everything right up.
