Target aperture sights are designed for maximum precision.

Also known as an aperture sight.

While almost identical to the slightly cheaper Winchester Model 67, it offered an aperture sight.

A simple receiver aperture sight was fitted to the receiver bridge by a dovetail.

The 1903A3 rear sight was an aperture sight adjustable both for elevation and windage.

Mk 2 Dual fixed range aperture sight.

Factory fitted with rear aperture sight, with lever locking.

Folded up, they feature aperture sights.

The standard issue C12A1 also features German-made closed aperture sights and has a level on the front sight.

Another strength of the Di-Optic Aperture sights is versatility.

Civilian, hunting, and police firearms usually feature open sights, while many military battle rifles employ aperture sights.

Aperture sights on military rifles use a larger aperture with a thinner ring, and generally a simple post front sight.

Early versions could be found with a rear aperture sight as opposed to latter simple V-notch rear sights.

The rear sight on standard models was an aperture sight with large protective wings, and there were no integral scope bases, until recently.

The FGR-17 uses flip-down aperture sights for targeting, protected by a casing.

If we look back to is obvious that Britain had settled on the rear aperture sight long before WWI.

An additional benefit to aperture sights is that smaller apertures provide greater depth of field, making the target less blurry when focusing on the front sight.

The diopter is an aperture sight component used to assist the aiming of devices, mainly firearms, airguns, and crossbows.

The fixed sights consisted of a rear aperture sight preset for firing at 100 yards (approximately 91 m) and a front blade foresight.

When the rear night sight is flipped up for use, the rear aperture sights must be placed in an offset position intermediate between the two apertures.

However, aperture sights are accurate even if the front sight is not centered in the rear aperture due to a phenomenon called parallax suppression.

Rifles from the late 19th century often featured one of two types of aperture sight called a tang sight or a ladder sight.

Modern target rifles are extremely accurate, and have aperture sights which are fully adjustable for elevation and windage.

It has no applied safety and is fitted with RPA Vernier scaled aperture sights.

Arch enemy Republican Texas Sen. Ted Cruz, on the other hand, took the weekend off and set his aperture sights a bit higher.