sighting instrument

[′sīd·iŋ ‚in·strə·mənt]

(ordnance)

A device or an instrument designed to aid in the pointing of a weapon.

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Although there are a few who use them, a scope is the sighting instrument of choice.

This is a real precision sighting instrument, with click-interval knurled adjustment dials set to quarter-minute-of-angle graduations.

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