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This is a list of United States Army fire control, and sighting material by supply catalog designation, or Standard Nomenclature List (SNL) group "F".The United States Army Ordnance Corps Supply Catalog used an alpha-numeric nomenclature system from about the mid-1920s to about 1958.
A modern Elecraft P3 Panadapter RBY-1, US Navy Panoramic Radio Adapter RBY-1 with Hallicrafters SX-28.The Panoramic Radio Adapter is the upper part. The radio spectrum scope (also radio panoramic receiver, panoramic adapter, pan receiver, pan adapter, panadapter, panoramic radio spectroscope, panoramoscope, panalyzor and band scope) was invented by Marcel Wallace - and measures and shows the ...
NATO Accessory Rail (STANAG 4694) The NATO Accessory Rail (NAR), defined by NATO Standardization Agreement (STANAG) 4694, is a rail interface system standard for mounting accessory 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 SIG Sauer 200 STR has an 11 mm dovetail on the receiver for mounting a diopter rear sight or a scope sight, either directly or via a Picatinny rail adapter.. Dovetails come in several different types and sizes depending on manufacturer, but the most common are the 11 mm and 3 ⁄ 8 inch (9.5 mm).
A typical sight mounting system consists of two parts, the scope rings and the scope base. The mounting generally positions the telescopic sight axis without cant over the receiver and bore center axis, to make sighting in and the use of ballistic tracking at various ranges for the user as easy as possible.
The Swedish Psg 90 for example, uses a Hensoldt scope and can also use sabot rounds. In 1998, the German Bundeswehr adopted the first folding-stock Arctic Warfare Magnum (AWM-F) chambered in .300 Winchester Magnum (7.62×67mm) and with optics made by the German company Zeiss, and designated as the Scharfschützengewehr 22 (G22).
USMC M2 fitted with a Leupold CQBSS variable power scope The M2 machine gun has also been used as a long-range sniper rifle when equipped with a high-powered telescopic sight . Soldiers during the Korean War used scoped M2s in the role of a sniper rifle, but the practice was most notably used by US Marine Corps sniper Carlos Hathcock during the ...
The downside to adjustable sights is the inherent fragility of the moving parts. A fixed sight is a solid piece of metal, usually steel, and if firmly attached to the gun, little is going to be able to damage it beyond usefulness. Adjustable sights, on the other hand, are bulkier, and have parts that must move relative to the gun.