Trijicon ACOG 2x20 Rifle Scope with Crosshair Reticle

Trijicon
$1,119.69
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The Trijicon ACOG 2x20 Crosshair scope delivers legendary combat-proven optical performance in a compact, low-magnification package trusted by military and civilian shooters alike. Engineered with Trijicon's signature dual-illumination system, this rugged optic is purpose-built for fast target acquisition at close to mid-range distances.

  • 2x magnification optimized for close-to-mid-range target acquisition
  • 20mm objective lens gathers ample light in low-visibility conditions
  • Tritium/fiber optic dual-illumination — no batteries ever required
  • Forged 7075-T6 aircraft-grade aluminum housing withstands hard field use
  • Precise crosshair reticle designed for fast, accurate sight picture
  • Waterproof and shockproof construction rated for extreme environments

Who This Is For

The Trijicon ACOG 2x20 is ideal for AR-platform and carbine shooters who need a lightweight, always-on optic for home defense, competitive shooting, or field use where battery-dependent electronics are a liability. Its compact form and battle-tested construction make it a smart choice for anyone prioritizing reliability and speed at moderate ranges.

Trijicon ACOG 2x20 Crosshair scope side profile view Trijicon ACOG 2x20 Crosshair scope top and reticle detail

Specifications

BrandTrijicon
ModelACOG 2x20 Crosshair
Magnification2x
Objective Lens Diameter20mm
ReticleCrosshair
IlluminationDual — Tritium & Fiber Optic (battery-free)
Housing MaterialForged 7075-T6 Aluminum
Eye ReliefUnlimited
Field of ViewApprox. 34 ft @ 100 yards
LengthApprox. 5.8 in
WeightApprox. 9.9 oz
WaterproofYes
ShockproofYes
Country of OriginUSA

Frequently Asked Questions

What firearms is the Trijicon ACOG 2x20 compatible with?

The ACOG 2x20 is designed primarily for use on AR-15, M4, and M16 platforms, but can be mounted on any rifle with a Picatinny or Weaver-style rail using an appropriate mount. Its compact size and low profile also make it suitable for AK-pattern rifles and other flat-top carbines. Always verify your specific mount configuration before purchase.

Does the Trijicon ACOG 2x20 require batteries to illuminate the reticle?

No — the ACOG 2x20 uses Trijicon's patented dual-illumination system, which combines a tritium phosphor lamp for low-light and nighttime use with a fiber optic cable that automatically adjusts reticle brightness based on ambient light. This means the reticle is always illuminated with zero battery dependence, making it an extremely reliable optic for tactical and field use.

Is the 2x magnification enough for effective use at range?

The 2x magnification is optimized for engagements out to approximately 200–300 yards, making it especially effective for dynamic shooting situations, home defense, and CQB-style applications where a wide field of view and rapid target acquisition matter more than high magnification. For shooters who need to stretch accuracy beyond 300 yards regularly, a higher-magnification ACOG model may be a better fit.