The Trijicon ACOG 4×32 ECOS in FDE (MPN TA31-D-100553) is built around a dual-illuminated red crosshair reticle calibrated for 5.56mm/.223 and an RMR-ready mounting deck.

Key Specifications

• The ACOG offers a fixed 4x magnification.
• Its 32mm objective lens gathers light for a bright sight picture.
• The reticle is a dual-illuminated red crosshair calibrated for 5.56mm/.223.
• Windage and elevation adjust at 2 clicks per inch at 100 yards.
• Eye relief measures 1.50 inches.
• Lenses use a multi-coated optical finish for clarity.
• Overall length is 8.5 inches.
• It comes in a flat dark earth (FDE) finish.
• The ECOS configuration includes an RMR-ready mount for adding a reflex sight.

Frequently Asked Questions

What does the ECOS designation add to this ACOG?

It adds an RMR-ready mounting deck so a reflex sight can be paired with the 4×32 ACOG.

What caliber is the reticle calibrated for?

Its dual-illuminated red crosshair reticle is calibrated for 5.56mm/.223 ammunition.

What color finish does this ACOG come in?

It is finished in flat dark earth (FDE).

Buy the Trijicon ACOG 4×32 ECOS FDE RMR 5.56

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