Winchester post 64 Model 70 experts - action screw spacing

Quick and probably dumb question on post-64 action screw spacing -

I picked up a MINT Model 70 Ranger but want to replace the bland stock.

I've seen the action screw spacing listed on different stock maker's sites as both 7 5/8 and 7 9/16 apart. My measurement comes out to 7 9/16.

Is this truly a difference that exists, or are some stock suppliers simply using a "close" estimate? This is a blind mag model, not one with a floorplate.

Thanks!

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