The Trijicon ACOG 3x30mm is a compact, internally adjustable combat riflescope built around Trijicon’s Bindon Aiming Concept (BAC), which lets shooters keep both eyes open for fast, instinctive target acquisition (model 400382). It features an illuminated reticle for use across a range of light conditions, with a green crosshair aiming point, calibrated for .300 AAC Blackout.

Key Specifications

• Delivers 3x fixed magnification through a 30mm objective lens.
• Features an illuminated Green Crosshair reticle for a fast, repeatable aiming point.
• Reticle is calibrated for .300 AAC Blackout ballistics.
• Built around Trijicon’s Bindon Aiming Concept (BAC) for both-eyes-open shooting.
• Measures 6.2 in. in overall length.
• Manufactured by Trijicon.

Frequently Asked Questions

Does this Trijicon ACOG need a battery? It depends on the configuration: Trijicon ACOGs use either battery-free fiber-optic/tritium illumination or an LED reticle powered by a single AA battery. Check the listing details for this specific model before ordering.

What caliber is the reticle calibrated for? The reticle is calibrated for .300 AAC Blackout, matching typical ammunition drop out to several hundred yards.

What magnification and objective size does this ACOG have? This model is a fixed 3x magnification with a 30mm objective lens.

Buy the Trijicon ACOG 3x30mm Green Crosshair (300 BLK) Riflescope

Get precise, both-eyes-open aiming with this Trijicon optic, or browse our full gun scopes selection.