Trijicon ACOG 4x32 Combat Rifle Scope - Selectable Reticles

Ultimate Tactical Rifle Scope for Unmatched Performance

Trijicon ACOG 4x32 Combat Rifle Scope puts legendary durability and “always-on” illumination at your fingertips, transforming light engagements into decisive advantages. Imagine clearing rooms before sunrise or making split-second shots under stress—this tactical rifle scope locks on clarity and confidence when it matters most. Explore our Features and Gallery.

Built on Precision Optics. Expert Support. Purpose-Driven Impact, this combat-proven optic backs your mission with free shipping, 90-day risk-free returns, price-match guarantee, and 24/7 specialist guidance—ensuring you’re always battle-ready. Explore our Specifications or discover our Support for more information.

Seasoned AR-15 and tactical professionals who demand battle-tested durability and exceptional low-light performance will find the Trijicon ACOG 4x32 Rifle Scope indispensable. With 92% of reviewers praising its clarity in dim conditions, it ensures rapid target acquisition at dawn or dusk.

Novice shooters and those needing variable zoom may find the fixed 4× magnification restrictive. About 17% of reviewers noted its unforgiving eye relief as a learning curve, so beginners or those working in close quarters might prefer a different optic.

Battery-free dual illumination — Fiber optics and tritium auto-adjust brightness for a clear aiming point in any light, eliminating the risk of power failures while hunting on tactical missions.

Multi-coated optics — Maximize light transmission and reduce glare for unparalleled clarity at dawn, dusk, or under cover of darkness, enhancing rapid target acquisition with this tactical rifle scope.

Fixed 4× magnification with Bindon Aiming Concept — the “Both-eyes-open” design enhances situational awareness and speed of engagement, making it ideal for dynamic shooting environments where every second counts.

Integrated ballistic reticle (BDC to 800 m) — Provides precise range estimation and holdovers without manual dialing, ensuring accurate shot placement on targets from close quarters to medium distances.

Military-grade forged aluminum housing — Shock-resistant, waterproof, and fogproof construction withstands extreme recoil and environmental conditions for reliable performance in the field

Strengths: The ACOG delivers exceptional glass clarity with multi-coated optics and a generous 36.8 ft field of view at 100 s. Battery-free dual illumination instantly adapts to light shifts, while a forged aluminum housing remains shockproof in even the most demanding combat conditions.

Limitations: The fixed 4× magnification limits close-quarters flexibility, often necessitating a secondary red dot for fast, near-range shots. Its 1.5 in eye relief is unforgiving, requiring precise head placement and making rapid shoulder transitions challenging

Trijicon ACOG 4x32 Combat Rifle Scope  - Specification Sheet with Reticles

How do I zero my ACOG on an AR-15?
Align your bore and reticle at 25 yards, adjust windage/elevation per ½ MOA clicks, then confirm the group at 100 yards.

Can I mount the ACOG on different calibers?
Yes, use the matching BDC reticle for .223/5.56, .308, or .300 BLK; ballistics variations stay within the stadia line MOA.

How does the dual illumination system work?
Fiber optics auto-adjusts in daylight; tritium powers the reticle in low/no light—no batteries required.

What warranty covers my tactical rifle scope?
Limited lifetime optical/metal structure warranty for original owner; 15-year tritium illumination warranty.

Which mounting options suit this scope?
TA51 Picatinny thumbscrew mount included; compatible with standard MIL-STD-1913 rails and optional flattop adapters.