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M4 collimator sight on a M4 mortar. A collimator sight is a type of optical sight that allows the user looking into it to see an illuminated aiming point aligned with the device the sight is attached to, regardless of eye position (with little parallax). [1] They are also referred to as collimating sights [2] or "occluded eye gunsight" (OEG). [3]
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.
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".
A red dot sight is a common classification [1] for a non-magnifying reflector (or reflex) sight that provides an illuminated red dot to the user as a point of aim. 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 ...
Colt M4 carbine with M68 Close Combat Optic and back-up sight. The CompM2 is a battery-powered, non-magnifying red dot type of reflex sight for firearms manufactured by Aimpoint AB . It was first introduced in the U.S. Armed Forces in 2000, [ 1 ] designated as the M68 Close Combat Optic (M68 CCO; NSN : 1240-01-411-1265).
The first ACOG model, known as the TA01, was released in 1987. [3] [4] An example was tested on the Stoner 93 in the early 1990s by the Royal Thai Armed Forces. [5]In 1995, United States Special Operations Command selected the 4×32 TA01 as the official scope for the M4 carbine and purchased 12,000 units from Trijicon. [6]
The pre-set number was selected via a large dial on the front of the sight, and the range was then measured by turning another dial on the aircraft's throttle. [5] This new sight became the Mark II Gyro Sight, which was first tested in late 1943 with production examples becoming available later in the same year.
Aimpoint is a manufacturing company founded in 1974. [1] Their primary products are reflector (or reflex) sights, specifically the red dot sight sub-type. In 1975 they introduced their first product, [2] the "Aimpoint Electronic" red dot sight, based on a design by Helsingborg engineer John Arne Ingemund Ekstrand. [3]