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Ripplingh2o · December 30, 2006, 03:08 PM

From my experience and knowledge there isn't anything different between the 1" tube and/or the 30mm tube EXCEPT you cannot swap 1" rings for 30mm rings and vice versa because there is a measuring difference between the two and if I recall the 30 mm tube is ever so slightly larger than 1". I think the ONLY reason for the 1" tube is because the inch measure is the american standard while the metric standard 30mm is moreso European (and elsewhere). Admittedly many scopes ARE IN FACT made in Europe or elsewhere overseas with a 1" tube for the sole reason of being marketed in the United States. Hope that helps.

December 30, 2006, 03:08 PM	#3
Ripplingh2o Member Join Date: December 29, 2006 Posts: 27	From my experience and knowledge there isn't anything different between the 1" tube and/or the 30mm tube EXCEPT you cannot swap 1" rings for 30mm rings and vice versa because there is a measuring difference between the two and if I recall the 30 mm tube is ever so slightly larger than 1". I think the ONLY reason for the 1" tube is because the inch measure is the american standard while the metric standard 30mm is moreso European (and elsewhere). Admittedly many scopes ARE IN FACT made in Europe or elsewhere overseas with a 1" tube for the sole reason of being marketed in the United States. Hope that helps.