Trijicon ACOG 4 X 32 Scope Dual Illuminated Horseshoe Dot .223 Ballistic Reticle
- Rifle Scope
- 32 mm
- 4x
- 4x
- Better rated than 69%
A rugged, battery-free combat optic that reviewers consistently rate as worth the price, provided you confirm authenticity by serial number before buying secondhand.
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How it ranks among the 359 rifle scopes we track
4.7★ across 88 Amazon ratings, Bayesian-smoothed toward the category average.
88 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 359 rifle scopes we track - how the scorecard works · full rifle scopes data report. Confidence: medium - useful but incomplete evidence.Last refreshed Jun 22, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
The Trijicon ACOG TA31H-G is a 4x32 fixed-power riflescope with a battery-free tritium and fiber optic illuminated green horseshoe dot reticle, calibrated for 5.56/.223 out to 800 meters.
Illumination here needs no battery, drawing on tritium plus fiber optic light gathering that adjusts brightness automatically with ambient light, a detail that matters in the field where battery failure is not an option. Reviewers with military or tactical backgrounds describe it as a proven combat optic, and several confirmed authenticity directly with Trijicon by serial number before trusting a purchase, since counterfeit ACOGs circulate on the secondary market.
- 4x32 fixed magnification, green horseshoe dot reticle
- Battery-free tritium and fiber optic illumination
- Forged 7075-T6 aircraft-aluminum housing
- Bullet drop compensation calibrated to 800m for 5.56/.223
Who it's for
Fits AR-platform shooters who want a rugged, battery-free illuminated optic for engagements out to roughly 150 yards and beyond using bullet drop compensation. Less suited to anyone who needs precision well past that range or wants a reticle with fewer reference marks, since one reviewer found the hash marks busy.
What buyers say
From Amazon customer reviews.
Reviewers who used it in demanding conditions describe it as combat-tested, rugged, and optically clear, with several confirming authenticity by serial number with Trijicon before trusting the purchase. The main criticism is a reticle that feels busy with its lateral hash marks, and one reviewer said the price did not match their expectations.
Strengths and trade-offs
Drawn from this product's published specifications.
- Battery-free illumination adjusts automatically to light conditions
- Rugged 7075-T6 aluminum housing holds up to hard use
- Bullet drop compensating reticle ranges to 800 meters
- Comes with mounting adapters and accessories included
- Reticle's hash marks feel busy to at least one reviewer
- High price point relative to expectations for some buyers
- Counterfeits circulate, so authenticity should be confirmed by serial number
Specifications
| Brand | Trijicon |
|---|---|
| Model | TA31H-G |
| Dimensions & fit | |
| Objective Lens Diameter | 32 mm |
| Item Weight | 1 pound |
| Construction & materials | |
| Material Type | Aluminum |
| Color | Green |
| Compatibility & installation | |
| Mounting Type | Picatinny Mount |
| Compatible Devices | Rifle |
| Included components | |
| Unit Count | 1 ounce |
| Included Components | Optic |
| Other details | |
| Magnification Minimum | 4x |
| Magnification Maximum | 4x |
| Sport Type | Hunting |
| Reticle Type | Horseshoe with Dot |
| Night vision | No |
| Product Style | Horseshoe/Dot 5.56 (.223 cal) |
Other Trijicon rifle scopes
How it compares
This product against the closest alternatives we track in rifle scopes.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Trijicon ACOG 4 X 32 Scope Dual Illuminated Horseshoe Dot .223 Ballistic ReticleThis product | 4.7 / 5 | 88 | 4.2 / 5 |
| UTG 3-12X44 30mm Compact ScopeUTG | 4.5 / 5 | 3,000 | 4.4 / 5 |
| Vortex Optics Diamondback Second Focal PlaneBrand | 4.7 / 5 | 1,500 | 4.3 / 5 |
| PINTY Tactical Rifle Scope Combo: Illuminated OpticsPinty | 4.4 / 5 | 1,100 | 4.3 / 5 |
| Firefield RapidStrike 1-6x24 SFP Riflescope KitFirefield | 4.5 / 5 | 900 | 4.3 / 5 |
Similar rifle scopes from other brands
Questions about the Trijicon TA31H-G
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Does the ACOG TA31H-G need batteries?
No, illumination comes from tritium and fiber optics that adjust automatically with ambient light.
What caliber is the reticle calibrated for?
The green horseshoe dot reticle is calibrated for 5.56 (.223 cal) flattop rifles out to 800 meters.
How can I confirm a unit is genuine and not counterfeit?
Reviewers recommend contacting Trijicon directly to confirm authenticity using the scope's serial number.