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AN/PAS-13 Ver. 2 mounted on an AR-15 with a brass catcher. In November 2006, three new versions of the AN/PAS-13 were ordered by the U.S. military. The Thermal Weapon Sights II include three new versions, a Light, Medium, and Heavy. All three models weigh less than the originals, weighing 1.8 lbs, 2.8 lbs, and 3.9 lbs respectively.
A United States Marine firing an M4 carbine, using an EOTech holographic sight to aim.. The first-generation holographic sight was introduced by EOTech—then an ERIM subsidiary—at the 1996 SHOT Show, [2] under the trade name HoloSight by Bushnell, with whom the company was partnered at the time, initially aiming for the civilian sport shooting and hunting market.
The scope base is the attachment interface on the rifle's receiver, onto which the scope rings or scope mount are fixed. Early telescopic sights almost all have the rings that are fastened directly into tapped screw holes on the receiver, hence having no additional scope base other than the receiver top itself.
Trijicon specializes in self-luminous optics and night sights, mainly using the low-energy tritium illumination, light-gathering fiber optics and battery-powered LED. [ 1 ] [ 2 ] [ 3 ] Additionally, Trijicon is a contractor for the United States military and supplies the Advanced Combat Optical Gunsight (ACOG) and RX01 reflex sights .
When red dot sights started to appear at the practical shooting competition circuit in the 1990s, reticle sizes of up to 3, 4.5 or even 6 mrad (10, 15 or 20 MOA) were common in order to compensate for the lack of bright illumination. However, as red dot technology and production quality has advanced, the market trend in all types of sport ...
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[15] To compensate for any change in the laser wavelength, the EOTECH sight employs a holography grating that disperses the laser light by an equal amount but in the opposite direction as the hologram forming the aiming reticle. The result is a reticle that is stable with the temperature change. One requirement of holographic projection is a laser.
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