Trijicon ACOG 4x32mm | .223 BDC | 100091

The Trijicon ACOG 4×32 is a fixed-power riflescope with an illuminated amber crosshair reticle calibrated for .223. It uses tritium illumination for low-light visibility and does not require batteries. The scope includes a flattop adapter and backup iron sights for mounting on flat-top receivers and provides bullet-drop compensation for extended range engagements.

Common applications include precision mid-range shooting and tactical/field operations where a rugged, always-on reticle and fast target acquisition are required.

Product Specifications

• The manufacturer is Trijicon.
• The model is ACOG.
• The manufacturer’s part number is 100091.
• The magnification is 4x.
• The objective size is 32mm.
• The reticle is an Illuminated Amber Crosshair calibrated for .223 BDC.
• The illumination source is tritium (no batteries required).
• The eye relief is 1.5 inches.
• The exit pupil is 8mm.
• The field of view is 36.8 ft @ 100 yds.
• The overall length is 5.8 inches.
• The weight is 14.96 oz.
• The adjustment size is 2 clicks per inch at 100 yards.
• The click value is 1/2 MOA.
• The UPC is 719307300538.

Built to meet rigorous operational standards, this ACOG combines a fixed 4x optical system with an illuminated, bullet-drop-compensated reticle to deliver consistent performance in varied lighting and environmental conditions. Its compact profile and included flattop adapter make it a practical choice for shooters who need a durable, always-on aiming solution for range, competition, or tactical field use.

Users commonly praise its durability and the reliable illuminated reticle for consistent acquisition in low-light conditions.