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Iron sights are a system of physical alignment markers used as a sighting device to assist the accurate aiming of ranged weapons such as firearms, airguns, crossbows, and bows, or less commonly as a primitive finder sight for optical telescopes. Iron sights, which are typically made of metal, are the earliest and simplest type of sighting device.
The first ACOG model, known as the TA01, was released in 1987. [3] [4] An example was tested on the Stoner 93 in the early 1990s by the Royal Thai Armed Forces. [5]In 1995, United States Special Operations Command selected the 4×32 TA01 as the official scope for the M4 carbine and purchased 12,000 units from Trijicon. [6]
Iron The OA-93 is an AR-15 derivative pistol manufactured by Olympic Arms . Lacking a buttstock or buffer tube, the OA-93 disperses recoil through a specially designed flat top upper receiver similar to the Armalite AR-18 .
Bushmaster Dissipator Model XM-15 rifle with aftermarket handguards The Bushmaster XM-15 used by the D.C. snipers during their attacks in October 2002. The Bushmaster XM-15 series (or XM15 [3]) is a line of AR-15 style semi-automatic rifles and carbines manufactured by Bushmaster Firearms International, LLC. [2]
Steyr AUG's telescopic sight. Note the backup iron sights on top of the scope. The AUG has a 1.5× telescopic sight that is integrated with the receiver casting and is made by Swarovski Optik. It contains a simple black ring reticle. The sight cannot be set to a specific range but can be adjusted for windage and elevation for an initial zero ...
The AR-15 rifle has a 500 mm (19.75 inches) sight radius. The AR-15 uses an L-type flip, aperture rear sight and it is adjustable with two settings, 0 to 300 meters and 300 to 400 meters. The front sight is a post adjustable for elevation.
The M16 elevated iron sight line has a 19.75 in (502 mm) sight radius. [23] As the M16 series rear sight, front sight and sighting in targets designs were modified over time and non-iron sight (optical) aiming devices and new service ammunition were introduced zeroing procedures changed. [116]
The user then adjusts the iron sights or scope reticle to align the point of aim with the projected laser dot. Another more commonly used type of laser boresighter is attached to the muzzle of the barrel, either inserted straight into the bore ("arbor" type) or held in alignment with the barrel via a magnet , and projects a laser beam onto the ...