The unique sighting arrangement consists of a triangular front sight and a trapezoid rear notch that lead the eye to the target for quicker target acquisition and allow for instinctive aiming.

Taking his time now, Bolan centered the red-ramp front site between the white outline on the rear notch and squeezed once more.

The really strange thing about it was its total lack of any sighting mechanisms-no front blade or pin sight, and no rear notch or peep sights.

The pistol uses fixed iron sights set for engaging targets at 50 m. These consist of a forward blade and rear notch.

In addition to the purely geometric considerations of the front blade and rear notch, there are some factors that need to be considered when choosing a set of iron sights for a particular purpose.

The pistol is aimed using fixed iron sights with contrasting dots - a front blade and dovetailed rear notch.

Originally the Karabiner 98k iron sight line had an open post type front sight, and a tangent-type rear sight with a V-shaped rear notch.

The weapon is aimed using iron sights that consist of an adjustable rear notch and fixed forward blade.

Back-up iron sights consist of a rear notch on a sliding tangent and forward blade.

The depth of the rear notch is adjustable with a screwdriver to lengthen or shorten the sight line length from 316 up to 365 mm.