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  2. Advanced Combat Optical Gunsight - Wikipedia

    en.wikipedia.org/wiki/Advanced_Combat_Optical...

    The Advanced Combat Optical Gunsight (ACOG) is a series of prismatic telescopic sights manufactured by Trijicon. The ACOG was originally designed to be used on the M16 rifle and M4 carbine, but Trijicon has also developed ACOG accessories for other firearms. Models provide fixed-power magnification levels from 1.25× to 6×. [1]

  3. Unertl Optical Company - Wikipedia

    en.wikipedia.org/wiki/Unertl_Optical_Company

    Unertl Optical Company. Unertl Optical Company, Inc. was a manufacturer of telescopic sights in the United States from 1928 until 2008. They are known for their 10× fixed-power scopes that were used on the Marine Corps ' M40 rifle and made famous by Marine Corps Scout Sniper Carlos Hathcock during the Vietnam War.

  4. Telescopic sight - Wikipedia

    en.wikipedia.org/wiki/Telescopic_sight

    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.

  5. I.O.R. - Wikipedia

    en.wikipedia.org/wiki/I.O.R.

    Website. www.ior.ro. Întreprinderea Optică Română (" Romanian Optical Enterprise"), often abbreviated by the acronym IOR, is a major optics company established in 1936 in Bucharest. IOR produces military and civilian-grade optics and associated equipment for export and domestic production. The company is known in North America particularly ...

  6. C79 optical sight - Wikipedia

    en.wikipedia.org/wiki/C79_optical_sight

    C79 optical sight. A C79 Optical Sight. The C79 optical sight (SpecterOS3.4x) is a telescopic sight manufactured by Elcan. A variant, the M145 Machine Gun Optic is in use by the US military. It is 3.4×28, meaning 3.4x magnification, and a 28mm diameter objective lens. A tritium illuminated reticle provides for normal and low-light conditions ...

  7. M4 carbine - Wikipedia

    en.wikipedia.org/wiki/M4_carbine

    3,600 m (3,900 yd) [ 5 ] Feed system. 30-round detachable STANAG magazine [ a ] Sights. Iron sights or various optics. The M4 carbine (officially Carbine, Caliber 5.56 mm, M4) is a 5.56×45mm NATO assault rifle developed in the United States during the 1980s. It is a shortened version of the M16A2 assault rifle.

  8. List of assault rifles - Wikipedia

    en.wikipedia.org/wiki/List_of_assault_rifles

    List of assault rifles. Assault rifles are full-length, select fire rifles that are chambered for an intermediate-power rifle cartridge that use a detachable magazine. Assault rifles are currently the standard service rifles in most modern militaries. Some rifles listed below, such as the AR-15, also come in semi-auto models that would not ...

  9. M21 Sniper Weapon System - Wikipedia

    en.wikipedia.org/wiki/M21_Sniper_Weapon_System

    26 + 3⁄4 in sight radius. The M21 Sniper Weapon System (SWS) in the US Army is a national match grade M14 rifle, selected for accuracy, and renamed the M21 rifle. [7] The M21 uses a commercially procured 3–9× variable power telescopic sight, modified for use with the sniper rifle. [8] It is chambered for the 7.62×51mm NATO cartridge.