Range Estimation is the process of determining the distance between two points. The outside legs of the Chevron equals 19 inches at 300m. Range your target using the width of the stadia lines. (between 400m & 800m they should fit the average width of the frontal view of a man shoulders). Although the study concentrated on the Armson O.E.G., some aspects are applicable also to the Bindon Aiming Concept.ĩ RANGING FEATURE The horizontal stadia lines represent 19 inches at the respective ranges. Trijicon has sponsored research in the field of human vision to better understand this generic phenomenon. This discovery was made several years ago. A long search was made to try to combine the speed and non-battery features of the Singlepoint or Armson with the precision of the telescopic system. As soon as the weapon begins to become steady in the target area, the brain switches to the magnified view. The shooter swings the weapon towards the target while perceiving the dot indicating where the weapon is pointed. The one eye sees the bright dot against the blurred target scene, so the brain picks the scene from the unaided eye. During dynamic movement, the scene through the telescope blurs because the image moves more rapidly due to magnification. sighting, the brain merges the two images. Just as in the Single point or Armson O.E.G. The simple substitution of a bright red dot for the usual cross-hairs makes it very easy to keep both eyes open. There are strong customer preferences in reticle designs, some simple reticles enhance the speed of target acquisition, others allow for greater precision in a given time limit. Three major types of optical enhancement were compared. Vision research material was examined for its assistance to understand the optically aided weapon aiming process. These instruments specifically strive to present the object to be viewed the same way to both eyes. We most often associate this word with binocular instruments such as field glasses or a binocular microscope. The word binocular literally means using both eyes at the same time. (Preferred method for farther targets.) Human vision is based upon a binocular (two eyes) presentation of visual evidence to the brain. The scope can also be shot with holding only one eye open. Use the range aiming point on the bullet drop compensator, and engage the target. When a target is acquired, use the ranging reticle (if time allows) to get an accurate range to the target. ARD Adapter M1913 rail adaptor Mount with Thumb-Screws Adapter/LFU/SRD Retaining BandĨ ACOG USE Due to the use of tritium and fiber optic light devices the scope will allow the use of the Bindon Aiming Concept (BAC) of shooting with both eyes open. Example, PEQ-2A in combat mode.ħ CONTROLS & INDICATORS Fiber Optic Light Collector Tube Ocular Lensįlip Caps Objective Lens Adjuster Cap Retention Lanyard LASER Filter Unit SRD/killFLASH Adjuster Protective Caps Body - Forged 7075-T6 aircraft aluminum alloy housing Dry nitrogen filled to eliminate fogging Ocular Lens – Longer eye relief and large exit pupil for faster target acquisition TA31RCO also has a Modular Anti-Reflection Device (ARD) with an adapter for an integrated Laser Filter Unit (LFU), and a Signature Reduction Device (SRD) with a flip-up scope caps front and rear. Do not use the scope unless you have proper eye protection (SPECS-3 laser goggles), or lasers are not in use, or risk mitigation measures are in effect. The TA31F ACOG does NOT have an ocular laser protection. = 36.8 feet Adjustments (3 clicks = 1 100m) Waterproof to depth of 66 feet w/adjuster caps on. Weight = 15.3 ounces w/M1913 rail adaptor. Through the use of both fiber optic and tritium the ACOG is dual illuminated during both day and night without the use of batteries.ĥ CHARACTERISTICS 4x magnification. Designed for the M4/M16A4, the ACOG provides an “auto ranging” reticle for ranges up to 800 meters. Demonstrate by scored live fire, marksmanship up to 300 meters using an M16A4/M4 MWS with an ACOG scope during periods of darkness/reduced visibility.ģ DESCRIPTION The ACOG scope is a lightweight, rugged, four power optical scope. Demonstrate by scored live fire, marksmanship up to 800meters using an M16A4/M4 MWS with an ACOG scope during daylight hours. Without references, conduct maintenance on an ACOG scope. Without references, demonstrate the use of the ACOG scope’s Bullet Drop Compensated Reticle. Without references, demonstrate the proper mounting of an ACOG to the weapon. 1 LEARNING OBJECTIVES With the aid of references, identify the characteristics and nomenclature of the ACOG scope.
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