Trijicon ACOG 3.5x35 Rifle Scope - .223 Red Crosshair, Matte Finish, Includes Picatinny Adapter

The Trijicon ACOG 3.5x35 rifle scope is a proven, combat-tested optic built for shooters running AR-platform rifles in .223/5.56 NATO. This isn't a range toy or a compromise choice—it's a compact, durable magnified sight designed to deliver in harsh conditions and across real-world distances. The 3.5x magnification and 35mm objective strike a balance between light transmission, field of view, and durability, making it equally at home on a duty carbine, a precision training setup, or a hunting rifle. The scope ships with a Picatinny-compatible flat-top adapter (TA51) and a full kit of accessories, so you're ready to mount and shoot out of the box.

What sets the ACOG apart is its hybrid illumination system. During the day, a fiber-optic bundle routes ambient light to the red crosshair reticle, keeping it visible without batteries. At night, tritium gas tubes glow to maintain aim in low light. The red crosshair is calibrated and zeroed for 5.56 ammunition out to 1,000 meters—the bullet-drop compensator means you don't need to dial frantically in the field; simply hold the appropriate aiming point for your distance. This is tactical optics built by engineers who understand how shooters actually operate.

The scope itself is forged aluminum, matte-finished, and engineered to withstand repeated recoil and abuse. At 14 ounces (without mount), it won't burden your platform, and the 2.4-inch eye relief is forgiving enough for proper technique. The 10mm exit pupil and 5.5-degree field of view are wide enough for close-to-medium-range work and still deliver enough magnification to resolve detail. Whether you're a dedicated AR enthusiast, a competitive shooter, or a hunter who trusts battle-proven glass, the ACOG 3.5x35 earns its reputation through proven performance, not marketing.

Key Features

• Hybrid fiber-optic and tritium illumination—no batteries required
• Red crosshair reticle calibrated for .223/5.56 NATO out to 1,000 meters
• Bullet-drop compensator for rapid distance adjustments
• Forged aluminum construction with matte finish for durability and low glint
• Includes Picatinny flat-top adapter (TA51), lens cleaning kit, lanyard assembly, and protective scope coat
• Bindon Aiming Concept for rapid target acquisition

Specifications

Frequently Asked Questions

What rifles does the Trijicon ACOG 3.5x35 fit?

The scope is calibrated for 5.56 NATO/.223 Remington rifles and includes a TA51 Picatinny flat-top adapter for standard AR-platform receivers. If your rifle has a different mounting system, verify compatibility before purchase.

Do I need batteries to use this scope?

No. The ACOG uses fiber optics to gather ambient light during the day and tritium to illuminate the reticle at night, so it operates without batteries. This makes it reliable in any condition and eliminates the need to carry spares.

What comes in the box?

The scope includes the TA51 flat-top adapter for Picatinny rails, a protective scope coat, a lens cleaning pen, a lanyard assembly for the adjuster caps, a manual, and a warranty card.

How far will the bullet-drop compensator take me?

The red crosshair reticle is calibrated for 5.56 ammunition and provides aiming points out to 1,000 meters. You hold the appropriate crosshair intersection for your target distance rather than adjusting the turrets in the field.