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Trijicon 4x32 ACOG BAC Dual-Illuminated Rifle

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User Manual for Trijicon 4x32 ACOG BAC Dual-Illuminated Rifle Combat Optic

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Trijicon 4x32 ACOG BAC Dual-Illuminated Rifle Combat Optic Contents of the user manual for the Trijicon 4x32 ACOG BAC Dual-Illuminated Rifle
  • Product category: Riflescopes Trijicon
  • Brand: Trijicon
  • Description and content of package
  • Technical information and basic settings
  • Frequently asked questions – FAQ
  • Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
  • Authorized service for Trijicon Riflescopes

Trijicon 4x32 ACOG BAC Dual-Illuminated Rifle Combat Optic Trijicon 4x32 ACOG BAC Dual-Illuminated Rifle Combat Optic Trijicon 4x32 ACOG BAC Dual-Illuminated Rifle Combat Optic Trijicon 4x32 ACOG BAC Dual-Illuminated Rifle Combat Optic
User manual for the Trijicon 4x32 ACOG BAC Dual-Illuminated Rifle contain basic instructions that need to be followed during installation and operation. Before starting your appliance, the user manual should be read through carefully. Follow all the safety instructions and warnings, and be guided by the given recommendations. User manual is an integral part of any Trijicon product, and if it is sold or transferred, they should be handed over jointly with the product. Following the instructions for use is an essential prerequisite for protecting health and property during use, as well as recognition of liability on the part of the manufacturer for possible defects should you make a warranty claim. Download an official Trijicon user manual in which you will find instructions on how to install, use, maintain and service your product.

And do not forget – unsuitable use of a Trijicon product will considerably shorten its lifespan!



Product description

Dominate the field with Trijicon's 4x32 ACOG BAC Dual-Illuminated Rifle Combat Optic. This almost-indestructible (7075-T6 aluminum alloy body) and self-powered (battery-free) Advanced Combat Optical Gunsight (ACOG) offers a low-distortion 4x optical system and an illuminated red Horseshoe Dot ballistic reticle to help you achieve your goals. The reticle is optimized for USMC A4/M4 ammunition and features a dual (tritium and fiber optic) illumination system that does not require any electrical power and can run for years. It automatically adapts to the environmental lighting conditions and delivers a highly visible reticle pattern. The optical system complies with the Bindon Aiming Concept (BAC), allowing you to aim with both eyes open. This ACOG provides a 1/2 MOA windage and elevation clicks, and ships with a Colt knob thumbscrew mount for attachment to your firearm. Note: Export of this device described herein is strictly prohibited without a valid export license issued by the U.S. Department of State Directorate of Defense Trade Controls, as prescribed in the International Traffic in Arms Regulations (ITAR), Title 22, Code of Federal Regulations, Parts 120-130, and/or by the U.S. Department of Commerce Bureau of Industry Security, as prescribed in the Export Administration Regulations (EAR), Title 15, Code of Federal Regulations, Parts 730-780. For further information contact the Directorate of Defense Trade Controls and/or the Bureau of Industry Security.
    Optical Performance
    • 4x magnification
    • 32mm objective
    • Multi-coated optics
    • Low-distortion lenses
    • 7° angle of view
    • 8.1mm exit pupil
    • 1.5" eye relief
      Use and Handling
      • Bindon Aiming Concept (BAC) allows aiming with both eyes open
      • 1/2 MOA impact point correction
        Construction Details
        • Durable and lightweight 7075-T6 aluminum alloy
        • Corrosion-resistant (hard) anodized finish
        • Tested to withstand .22LR to .50BMG recoils
        • Water and fogproof
          Reticle
          • Red Horseshoe Dot
          • For USMC A4/M4 firearms
          • Dual tritium and fiber optic illumination is battery-free
          • Does not require an external electrical power source
          • Reticle pattern is visible in most lighting conditions
          UPC: 719307312135 In the Box Trijicon 4x32 ACOG BAC Dual-Illuminated Rifle Combat Optic (Red Horseshoe Dot Reticle for USMC A4/M4, Matte Black)
        • Colt Knob Thumbscrew Mount
        • ACOG Scopecoat uubeqwvbxfdfywut
        • LensPen - TA56
        • ACOG External Adjuster Caps & Lanyard
        • Logo Sticker
        • Dust Cover
        • Limited Lifetime Warranty
        • Limited 15-Year Warranty
        Table of Contents




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Technical parameters

Trijicon TA31-D-100581 Specs

Magnification 4x
Objective Lens Diameter 32 mm
Field of View 36.6' @ 100 yd / 12.2 m @ 100 m
Exit Pupil Diameter 8.1 mm
Eye Relief 1.5" / 38 mm
Reticle Type Horseshoe-Dot Reticle
Illumination Type Fiber Optic, Tritium
Illuminated Color Red
Impact Point Correction 1/2 MOA per Click
Water Resistance Waterproof
Fogproof Yes
Battery None
Dimensions Length: 5.9" / 15 cm
Height: 2.5" / 6.4 cm (with Mount)
Width: 2" / 5.1 cm
Weight 10.5 oz / 297.5 g
Package Weight 2.3 lb
Box Dimensions (LxWxH) 8.4 x 7.7 x 5.2"

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