Noun
telescopic sight (plural telescopic sights)
A device used e.g. on a rifle in aiming a projectile, through which the person aiming looks at the intended target.
Synonym: scope
This allowed a marksman to observe and target objects more accurately at a greater distance than ever before. citation The telescopic sight, or scope, was originally fixed and could not be adjusted, which therefore limited its range. Source: Internet
Subtypes of the Krag–Jørgensen used in Norway M1894 M1894 with telescopic sight. Source: Internet
The presence of a stock makes the use of a telescopic sight or red dot sight easier than with a hand gun. Source: Internet