Iron sights

A sight picture with focus on the front sight; the out of focus gray dot represents the target

Aerial gunnery iron ring sight on a GAU-21 that allows for compensating for the roll-pitch-yaw of an aircraft.

A selection of open sights, and one aperture sight suitable for use with long eye relief: A) U-notch and post, B) Patridge, C) V-notch and post, D) Express, E) U-notch and bead, F) V-notch and bead, G) trapezoid, H) ghost ring. The gray dot represents the target

Iron sights are a system of shaped alignment markers (usually metal) used as a sighting device to assist in the aiming of a device such as a firearm, crossbow, or telescope, and exclude the use of optics as in telescopic sights or reflector (reflex) sights.

单词	Iron sight
释义	Iron sight 英语百科 Iron sights Iron sights are a system of shaped alignment markers (usually metal) used as a sighting device to assist in the aiming of a device such as a firearm, crossbow, or telescope, and exclude the use of optics as in telescopic sights or reflector (reflex) sights.
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