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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.
Modified M1903 Springfield with ejection port on the left side of the receiver to accommodate a Pedersen device.30-18 Auto, also known as the 7.65mm Longue. Prior to the United States' entry into World War I, John Pedersen, a longtime employee of Remington Arms, developed the Pedersen device. His idea was to dramatically increase the firepower ...
M18 Hellcat at the U.S. Army Armor and Cavalry Collection, Fort Benning (now Fort Moore), Georgia After World War II, many M18s were sold to other countries. Many intended for European countries under the Mutual Defense Assistance Act were rebuilt and refurbished by Brown & Root in northern Italy in the late 1940s and early 1950s, and bear data ...
Mark III free gun reflector sight mk 9 variant. Another type of optical sight is the reflector (or "reflex") sight, a generally non-magnifying optical device that allows the user to look through a glass element and see a reflection of an illuminated aiming point or some other image superimposed on the field of view. [7]
A standard design uses a red light-emitting diode (LED) at the focus of collimating optics, which generates a dot-style illuminated reticle that stays in alignment with the firearm the sight is attached to, regardless of eye position (nearly parallax free). Red dot sights are considered to be fast-acquisition and easy-to-use gun sights for ...
The US House Committee on Armed Services noted as far back as 1975 on the suitability of the use of reflex sight for the M16 rifle, [28] but the US military did not widely introduce reflector sights until the early 2000s with the Aimpoint CompM2 red dot sight, designated the "M68 Close Combat Optic".
Some Coes wrenches could be bought with wooden knife handles, recalling the company's earlier knives. In 1909, the Coes Wrench Company advertised a six-foot-long "key" wrench, shaped like a monkey wrench, for use on railroads. [7] [8] The Coes wrench designs were acquired by the toolmaker Bemis & Call of Springfield, Massachusetts, in 1928 ...
A lug wrench, also colloquially known as a tire iron, is the name for a type of socket wrench used to loosen and tighten lug nuts on automobile wheels. In the United Kingdom and Australia, it is commonly known as a wheel brace .