Installing a New Scope Having an Issue with new yet old Dialed Right In Questions?

[C101976MP]

I was going to replace an Old Scope on a Rifle the Old 1 when bore sighted had the grid close to center yet when I replaced it with a new one the Grid was far off to the right of the grid and I could not adjust the Windage Turret to the left as It ran out of Adjustment. How can 1 scope dial right in and a "new" Scope can't? Using the same Scope Mount Bases and Rings yet so different? I have used the same brand Scope of other Rifles and they were simple to get centered on the bore sight tool grid yet this newer version of the same scope is not able to? Has the technology changed on new scopes that much? Some suggest it is the Bases others say it is the holes on the barrel are miss align but if 1 can be adjusted why can't another by just replacing the scope? (Same Rings and Same Bases only removed the top section of the ring yet ran out of Windage Adjustment to get it centered)?
Never had this before.
Any Ideas - hate spending $ on a new Brand Base or Bases if 1 scope works why not a new 1?
Thanks
C10

 

[Alan]

When one scope works and another doesn’t, mounts or alignment are usually the real problem.

 

[C101976MP]

Have yet another Brand Base Rail on order as the existing are Warne M826 bases don't allowit to, odd that a Simmions dials right in and a new Burris is way off and can't adjust it even close to the center of a boresighter tool's grid. If 1 works common sense suggests both should? And both using same parts just a different scope brand... (and are 1 inch tube scopes) not like I am using something differet like a 34 mm tube scope.
Odd in Deed!
C10

 

[Eric300]

Same base, same rings. One scope dials in and one scope doesn't. Although it seldom happens with Burris scopes, I would tend to think it's an issue with the scope. Burris makes great optics but it's possible you got a booger. Interested to find out what the problem was when you get it squared away.

 

[C101976MP]

Resolved this, with new 1 piece base rail (EGW) and some Burris XTR Signature Rings with the new Burris Fullfield Scope. Just some more $.
C10

 

[Eric300]

Resolved this, with new 1 piece base rail (EGW) and some Burris XTR Signature Rings with the new Burris Fullfield Scope. Just some more $.
C10

I would have lost that bet!

Glad you got it sorted out