Trijicon TA55 ACOG 5.5×50 | Red Chevron .223 | 100173

The Trijicon TA55 ACOG is a compact, internally-adjustable telescopic sight featuring a red illuminated chevron reticle calibrated for .223/5.56. It uses fiber optics and tritium for daylight and low-light illumination without batteries and is built to withstand fog, shock and immersion. The sight ships with a flattop (TA51) mount and several accessories for field use.

Product Specifications

• The magnification is 5.5x.
• The objective lens diameter is 50mm.
• The reticle is an Illuminated Red Chevron .223/5.56 BDC.
• The illumination source is Fiber Optics & Tritium for day and night use without batteries.
• The sight includes a Bullet Drop Compensator.
• The provided mount is TA51 flattop and the mount comes with a flattop adapter.
• The overall length is 12 inches.
• The weight is 25.6 oz with mount.
• The eye relief is 2.2 inches.
• The exit pupil is 9.1 mm.
• The field of view is 18.4 ft @ 100 yds (equivalent to 3.5 degrees).
• The adjustment size is 5 clicks per inch @ 100 yds.
• The product is Fog/Shock/Waterproof (proofs listed as waterproof, fogproof, shockproof).
• The housing material is Forged Aluminum.
• The UPC is 719307302020.

The TA55 ACOG offers a durable, battery-free illumination system and a chevron BDC reticle that helps bridge the gap between precise long-range aiming and fast target acquisition. Its compact profile, included flattop mount and rugged construction make it suitable for tactical optics roles and precision target shooting where reliability and repeatable ballistics are priorities.