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ACOG® 1.5x16s BAC Riflescope (M16 CHBase)

SKU: TA44-C-400141

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Green or Red Circle with 2 MOA Center Dot Reticle, M16 Carry Handle Base , Tritium / Fiber Optics Illuminated. The Scope That Changed...
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Green or Red Circle with 2 MOA Center Dot Reticle, M16 Carry Handle Base , Tritium / Fiber Optics Illuminated.

The Scope That Changed Everything.

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There's a reason the Trijicon ACOG® (Advanced Combat Optical Gunsight) is the official medium-distance engagement optic of the Marine Corps and U.S. Special Operations Forces.

And there’s a reason why more than one million ACOGs have been produced. Every feature of its innovative design was chosen for a single purpose: to provide increased hit potential in all lighting conditions. This is possible through a brilliantly illuminated reticle pattern, a compact design, and legendary durability that continues to lead the industry.

With all the performance of the original Trijicon ACOG® (Advanced Combat Optical Gunsight) wrapped in a smaller 4.9oz package, the 1.5x16S model is perfect for fast-moving tactical teams and speed-oriented competitions. This highly compact riflescope provides platforms like M16/M4 with excellent fire control capability and lightning fast target acquisition. Using the Bindon Aiming Concept (BAC), users can keep both eyes open while engaging targets and maintaining maximum situational awareness.

Wrapped in a smaller package, at 4.9 ounces, this ACOG is perfect for fast-moving tactical teams operating in close quarters or for speed-oriented competition venues. This very compact model provides weapons like the M16/M4 with excellent fire control capability. Targets are easier and quicker to acquire through the 1.5x16 models because of the larger field of view (7.4 degrees) and eye-friendly design.


  • Always On, Always Ready
    Most ACOG® models are battery free, featuring a tritium/fiber optic illuminated reticle that automatically adjusts the brightness based on available light.

  • Take Control
    Several ACOG models are designed with a user adjustable brightness setting powered by a single AA battery. The 3.5x35 LED and 4x32 LED models both offer six adjustable brightness settings.

  • Rugged, Reliable Housing Design
    Fixed-power design allows for minimal moving parts to create a nearly indestructible sighting system.

  • "Both Eyes Open" Design
    “Both eyes open” shooting using The Bindon Aiming Concept (BAC) allows for improved situational awareness.

  • Outstanding Clarity
    The quality of the glass and multi-coated lenses maximize light-gathering capabilities and clear field of view with zero distortion.

  • Exact Target Distances & Hold
    Most ACOG models feature a bullet drop compensating and target-ranging reticle for decisive aiming.

  • Combat Proven
    No other magnified optic has been used more in combat than the ACOG.

  • Shock-Resistant

    Proven to withstand recoil from a .22LR to a .50BMG and everything in between. Easily passes U.S. Military drop test requirements.

  • Waterproof
    Exceptional waterproof performance that exceeds military standards. Dry nitrogen-filled to eliminate fogging. This optic is tested to withstand and perform in extreme cold and heat with dry-nitrogen filled housing that mitigates fogging.


  • Length x Width x Height
    4 in x 1.6in x 2.1 in
    (101.6mm x 40.64mm x 53.34mm)
  • Weight
    5.1oz. (144.58g)
  • Magnification
  • Objective Size
  • Reticle Pattern
    Circle Dot
  • Day Reticle Color
    Green or Red
  • Night Reticle Color
    Green or Red
  • Bullet Drop Compensating (BDC)
  • Bindon Aiming Concept (BAC)
  • Illumination Source
    Fibre Optics & Tritium
  • Power Source
    Fibre Optics & Tritium
  • Adjustment
    2 Clicks per in. @100 yards
  • Eye Relief
    2.4 in. (60.96mm)
  • Exit Pupil
    0.42 in. (10.67mm)
  • Field of View (degrees)
  • Field of View (feet)
    39 ft. @ 100 yds. (13m @ 100m)
  • Mount
    M16/AR15 Carry Handle Base
  • Housing Material
    Forged Aluminium
  • Finish
    Matte Black


    • Carry Handle Screw and Washer Set (TA30)
    • Compact ACOG Scopecoat (TA62)
    • LENSPEN (TA56)
    • Trijicon Logo Sticker (PR15)
    • ACOG Manual
    • Warranty Card