by Trijicon
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Trijicon 4x32 ACOG Scope with Dual Illuminated Red Horseshoe/Dot M855 RCO Reticle. Includes LaRue Tactical LT799 Mount. The TA31USN-M855 is a fixed-power ACOG designed for M16A4 or M16M4 platforms. Illumination is dual: fiber optics and tritium, so the reticle is visible without batteries. Tritium glows in darkness; fiber optics adjust brightness in daylight. The reticle provides quick target acquisition and a Bullet Drop Compensator for accuracy to 1,000 meters. External windage and elevation adjustments; waterproof to 11 meters. Package contents: Trijicon 4x32 ACOG Scope with LaRue LT799 Mount.
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Sign In to Set AlertThis is a bundled product that includes multiple components. The exact contents may vary - check the product description for more details.
• Complete assembly ready to use
• Multiple components included
• Value package pricing
Guide
An analysis of AR-15 optic mounting heights, how height-over-bore affects zero offset and holdovers, and the tradeoffs between absolute co-witness, lower-third, and taller mounts.
6 min read
Guide
A high-level overview of the main optic categories, explaining tradeoffs between speed, versatility, and precision for AR-15 builds.
7 min read