Remington 700 base hole sizes

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cbh560

CGN Regular
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Martensville, SK
I have a remington 700 action that I recently completed a build on. Tonight I went to install a set of Talley one piece bases to mount a scope and I find out that the screws provided are too small for the holes in the action. So I check the base screws from two other remington actions I have and they're both too small also. I found the box that the action came in (I purchased as new, but from a fellow CGN'r) and it says right on the box that the base holes are "8 x 40". So if this is indeed the case what are the base hole sizes on my older remington actions (one was purchased new around 2012, the other new around 2002-3)?

I've attempted to find the date of manufacture for the action, but it isn't making sense to me. The serial number on the action is RR*****A. If I follow the date coding, it would lead me to believe it was manufactured in November of 1997. I'm quite certain it is newer than this, but not 100% as I technically bought it second hand.

Was there a date that the base hole dimensions changed?
 
remington jim said:
as DG as said ! also a Action with the ser # starting with RR was a BARE action supplied from Rem - Late Model - RJ
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Thanks for that, I wasn't able to find that info anywhere on the web. This actions was indeed bought as a bare action. Does the RR prefix stand for all bare actions sold?

guntech said:
I have never seen a factory 700 action that was not 6x48...
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Neither have I. Of course now I have to find some 8-40 base screws and likely ream out the bases a bit to make it all work.

*Edit* - actually it seems as if Talley has plenty of options for 8-40 Remington 1-piece base/rings. I guess I just need to order.
 
cbh560 said:
Neither have I. Of course now I have to find some 8-40 base screws and likely ream out the bases a bit to make it all work.
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Brownell's sell cutters to cut the head recess for 8x40 screws with either flat or beveled screws ... many gunsmiths could alter your bases.
 
As double gun stated, Model Seven & 700 AAC roll stamped actions under contract were drilled & tapped for #8-40tpi scope base screws.

Barrel Code is the ONLY means to identify manufacture date by month/year of production for any rifles/shotgun barrels.
Custom Shop 40X rifles will have a suffixed serial number receiver & can be identified by calling to identify caliber and smith that built it.

RR PREFIX serial numbered receivers are current serial number sequencing & does not identify model/action etc.
RR PREFIX serial numbered receivers manufactured at Remington in Ilion,NY will be dot matrix at 6o'clock around the front action screw 1/4"-28tpi hole.
IF, the dot matrix Ilion,NY is not present the receiver was CNC machined by Remington in Anniston Alabama.
 
HS Precision bases should interchange with 700 Remington and are 8-40.
Not everyday shelf items but they're out there.
 
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