REM 700P scope mount screws

Typically:
Everything except 338LM is #6
338LM is #8
Is it new? If not, the previous statements may not hold true. The previous owner may have had drilled & tapped for #8.
 
What about opening-up the 6-48 holes to 8-40?

New rifle that I am picking up tomorrow. Ordered a Seekins base with #6, but got #8. Just thought I'd double check before setting up return.
What about having the 6-48 holes opened-up to 8-40? I don't know what scope you're mounting (read how heavy the scope is), but while the Seekins base has an integrated recoil lug the added strength that 8-40s provide is always welcome.


Keith