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What 3-9X40 stand for ina rifle scope?

Updated: 8/17/2019
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14y ago

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3 to 9 is the magnification available & 40 is the objective diameter in millimeters. The "objective" is the glass lens farthest away from your eye when mounted on the rifle.

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14y ago
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Q: What 3-9X40 stand for ina rifle scope?
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