The Trijicon ACOG ECOS is the ultimate sight for both Close Quarter Battle (CQB) situations and longer distance shooting where accuracy and pinpoint bullet placement are required. This dual-sighting system gives the shooter a distinct tactical advantage with the option of either the Trijicon ACOG or RMR sight. With the quick target acquisition of the RMR Sight or the precise aiming capabilities provided by the magnified 4 power Trijicon ACOG the shooter has the ability to select the proper aiming solution for the situation at hand truly the best of both worlds. No tools are needed for windage and elevation adjustments because the ECOS also features external windage and elevation adjusters, making it waterproof up to 11m without caps. The TA31ECOS also includes: 1 3.25 MOA RMR™ LED Red Dot Sight mounted to ACOG (RM01) 1 A.R.M.S.® Throw Lever Mount 1 Set of backup Iron Sights 1 LENSPEN® (TA56) 1 Trijicon Logo Sticker (PR15) 1 ACOG ManualMagnification 4x Objective Size 32 Bullet Drop Compensator Yes Length (In) 6.2 Weight (oz) 15 Illumination Source Fiber Optics & Tritium Reticle Pattern Crosshair Day Reticle Color Red Night Reticle Color Red Calibration 0.223 Eye Relief 1.5 Exit Pupil 8 Field of View (Degrees) 7 Field of View @ 100 yards (ft) 36.8 Adjustment @ 100 yards (clicks/in) 2 Mount A.R.M.S. #19LD Mount Comes With A.R.M.S. #19LD Housing Material Forged Aluminum
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