Hi all. Anybody out there use a case gauge?

I've been reloading .303 off and on for about 18 years. I'm finally wondering if a Wilson case gauge is useful in checking .303BR, which has a rim and is mostly neck-sized when reloading. That is, until full or partial full length sizing is eventually needed again.

Note: I checked, and L.E. Wilson does indeed make a case gauge for .303BR.

L.E. Wilson Case Gages

(And don't ask me why they spell it "gage".)
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