page_title: Telescopic sight
section_title: Rail interface systems
hierarchical_section_title: Telescopic sight / Mounting / Rail interface systems
caption_attribution_description: Nederlands: Ontspannen koppen en veel grappen, maar in een oefening of operatie gaat de knop direct om. Het laat de professionaliteit zien van de veelzijdige Maritime Special Operations Forces (MARSOF)-operators. De mannen van de Afghan Territorial Force 888 mogen blij zijn met deze toptrainers. Andersom leren de Nederlandse special forces ook van de Afghanen. De maritieme special forces maken deel uit van het Special Operations Advisory Team (SOAT) dat de Afghanen binnen NAVO-missie Resolute Support de kneepjes van het SF-vak bijbrengt. ATF 888, actief in het noorden van Afghanistan, is een van de triple units, de speciale politie-eenheden van de Afghaanse overheid. Het Korps Commandotroepen (KCT) zette vorig jaar het trainingsprogramma op vanuit Camp Marmal bij Mazar-e-Sharif. De vierde rotatie is voor MARSOF. Het doel? Over 2 jaar moeten de Afghanen zelfstandig, met een helikopter of auto ergens heen verplaatsen. Maar ook hun eigen veiligheid waarborgen, een instap maken en iemand oppakken, die betrokken is bij terreur, drugshandel of zware criminaliteit.
context_page_description: A telescopic sight, commonly called a scope, is an optical sighting device that is based on a refracting telescope. It is equipped with some form of graphic image pattern mounted in an optically appropriate position in its optical system to give an accurate aiming point. Telescopic sights are used with all types of systems that require accurate aiming but are most commonly found on firearms, particularly rifles. Other types of sights are iron sights, reflector sights, and laser sights. The optical components may be combined with optoelectronics to form a night scope.
context_section_description: For mounting telescopic sights and/or other accessories to guns several rail interface systems are available to provide a standardized mounting platform.
  Probably the best known rail interface system is the Picatinny rail or STANAG 2324 rail or MIL-STD-1913 rail used by NATO forces and other official and civil users. The name of this interface system, which dates back to 3 February 1995, comes from the Picatinny Arsenal in New Jersey, where it was originally tested and was used to distinguish it from other rail standards at the time. The Picatinny rail comprises a series of ridges with a T-shaped cross-section interspersed with flat "spacing slots". Telescopic sight mounting rings are mounted either by sliding them on from one end or the other; by means of a "rail-grabber" which is clamped to the rail with bolts, thumbscrews or levers; or onto the slots between the raised sections.
  Another commercially available rail interface system is the Weaver rail mount from Weaver Optics. The only difference between the Picatinny rail and the Weaver rail is the size and spacing of the slots, although almost all rail-grabber-mounted accessories are manufactured such that they can mounted on either type of rail.
  The NATO Accessory Rail (or NAR), defined by the new modernization agreement STANAG 4694 approved by NATO on 8 May 2009, is a new rail interface system standard for mounting auxiliary equipment such as telescopic sights, tactical lights, laser aiming modules, night vision devices, reflex sights, foregrips, bipods, and bayonets to small arms such as rifles and pistols. The NATO Accessory Rail is backwards-compatible with the STANAG 2324 or MIL-STD 1913 Picatinny rail.
caption: The scope mount itself can be used as the interface for attaching other accessories.
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