Sighting instrument | Article about sighting instrument by The Free Dictionary
sighting instrument[′sīd·iŋ ‚in·strə·mənt]
A device or an instrument designed to aid in the pointing of a weapon.
References in periodicals archive
Although there are a few who use them, a scope is the sighting instrument
This is a real precision sighting instrument
, with click-interval knurled adjustment dials set to quarter-minute-of-angle graduations.