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  2. C79 optical sight - Wikipedia

    en.wikipedia.org/wiki/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 sighting. [1]

  3. Milliradian - Wikipedia

    en.wikipedia.org/wiki/Milliradian

    A milliradian (SI-symbol mrad, sometimes also abbreviated mil) is an SI derived unit for angular measurement which is defined as a thousandth of a radian (0.001 radian). ). Milliradians are used in adjustment of firearm sights by adjusting the angle of the sight compared to the barrel (up, down, left, or

  4. Telescopic sight - Wikipedia

    en.wikipedia.org/wiki/Telescopic_sight

    Because telescopic sights universally have a round main tube, the standard mounting method is to use scope rings, which are essentially round metal pipe shoes that clamp firmly onto the telescopic sight body. Most commonly, a pair of scope rings are used, though unusually short telescopic sights occasionally do use only a single scope ring.

  5. Rifleman's rule - Wikipedia

    en.wikipedia.org/wiki/Rifleman's_rule

    The rule says that only the horizontal range should be considered when adjusting a sight or performing hold-over in order to account for bullet drop. Typically, the range of an elevated target is considered in terms of the slant range , incorporating both the horizontal distance and the elevation distance (possibly negative, i.e. downhill), as ...

  6. Sight (device) - Wikipedia

    en.wikipedia.org/wiki/Sight_(device)

    On weapons, these sights are usually formed by rugged metal parts, giving them the name "iron sights", [4] as distinct from optical or computing sights. [5] On many types of weapons they are built-in and may be fixed, adjustable, or marked for elevation , windage , target speed, etc. [ 3 ] They are also classified in forms of notch (open sight ...

  7. Glock - Wikipedia

    en.wikipedia.org/wiki/Glock

    The subcompact Glock 26 with factory adjustable sights in 9×19mm Parabellum. Glock 26: The Glock 26 is a 9×19mm "subcompact" variant designed for concealed carry and was introduced in 1995, mainly for the civilian market. It has also been acquired by the US military and designated MK 26.

  8. Column: 99 years after the Scopes 'monkey trial,' religious ...

    www.aol.com/news/column-99-years-scopes-monkey...

    The Scopes trial made anti-evolutionists look ridiculous, but they haven't gone away. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us. Sign in ...

  9. Diopter sight - Wikipedia

    en.wikipedia.org/wiki/Diopter_sight

    The diopter sight is easy to use and usually allows for very accurate aiming, because a relative long sighting line can be used. A long sighting line helps to reduce eventual angle errors and will, in case the sight has an incremental adjustment mechanism, adjust in smaller increments when compared to a further identical shorter sighting line.