Archives: Glossary

Protective metal cover fastened about a sight to guard it from being moved out of adjustment from jars or blows. Sometimes called a Sight Hood or Hooded Sight.

That part of an aperture (peep) sight that contains the hole. May have either a fixed orifice or contain an iris diaphragm to vary its size.

The height to which a rear sight is set to zero-in the firearm for any specific range.

A device that increases the distance between the sights.

Metal or plastic discs with either apertures or posts for use in globe front sights.

The vertical portion of a metallic rear sight containing the notch.

The visual image observed by the shooter when the firearm sights are properly aligned on the point-of-aim.

The distance between the rear sight and the front sight on a firearm.

A sight base having a sloping rear surface on which a front or rear sight may be mounted.

The procedure of adjusting the sights so as to bring the point of impact to coincide with the point of aim.