User Ratings
No ratings yet
Be the first to review this product
Trijicon ACOG TA31 4x32mm Rifle Scope Black Amber Chevron .223 / 5.56x45mm Reticle MOA Adjustment 100216. The electronics on this Rifle Scope from Trijicon offers an outstanding level of reliability with a straightforward brightness dial allowing the operator to determine how much to illuminate the reticle-even in transitional lighting. The body on the Trijicon ACOG 4x32mm Illuminated Weapon Scope has been optimized by moving the RMR mount forward to maximize its performance in conjunction with the ACOG. This Trijicon Gun Sight is fully compatible with night vision devices. Originally paired with the TA51 mount this Trijicon ACOG TA31 4x32 Rifle Scope stands out for its exceptional performance. The patented ACOG reticle adds a layer of user-friendly innovation adjusting the reticle subtensions is a breeze. Manipulate them with your mouse choose the desired range and the red dot remains constant. Should you opt for manual reticle rotation it's at your fingertips. Once you've fine-tuned the reticle to your specifications a quick rotation and release of tension secure your adjustments. The reticle seamlessly resyncs automatically when exposed to any light source ensuring uninterrupted functionality. Elevate your shooting experience with the Trijicon ACOG TA31 4x32mm Rifle Scope where precision meets innovation. Choose the Trijicon Advanced Combat Optical Gunsight - 4x32mm for a great way to improve your accuracy. Specifications for Trijicon ACOG 4x32mm Rifle Scopes w/TA51 Mount: Manufacturer: Trijicon Objective Lens Diameter: 32 mm Magnification: 4 x Tube Diameter: 32 mm Exit Pupil: 8 mm Finish: Matte Field of View Linear: 36.8 ft at 100 yds Field of View Angle: 7 - 7 degrees Eye Relief: 1.5 in Weight: 15.1 oz Length: 5.8 in Adjustment Type: MOA Parallax: Fixed Illumination Type: Fiber Optics/Tritium Fabric/Material: 7075-T6 Aluminum Lens Material: Glass Optical Coating: Multi-Coated Brightness Settings: 6 Water Resistance Level: Waterproof Shockproof: Yes Fogproof: Yes Package Type: Polymer Hard Case Magnification Type: Fixed Additional Features: ACOG TA31 Condition: New Country of Origin: USA Attachment Type: TA51 Features of Trijicon ACOG 4x32mm Rifle Scopes w/TA51 Mount: Always On Always Ready: Most ACOG models are battery free featuring a tritium/fiber optic illuminated reticle that automatically adjusts the brightness based on available light. Take Control: Several ACOG models are designed with a user-adjustable brightness setting powered by a single AA battery. The 3.5x35 LED and 4x32 LED models both offer six adjustable brightness settings. Rugged Reliable Housing Design: Fixed-power design allows for minimal moving parts to create a nearly indestructible sighting system. "Both Eyes Open" Design: "Both eyes open" shooting using Trijicon's Bindon Aiming Concept (BAC) feature allows for improved situational awareness. Outstanding Clarity: The quality of the glass and multi-coated lenses maximize light-gathering capabilities and clear field of view with zero distortion. Exact Target Distances & Holds: Most ACOG models feature a bullet drop compensating and target-ranging reticle for decisive aiming. Combat Proven: No other magnified optic has been used more in combat than the ACOG. Shock-Resistant: Proven to withstand recoil from a .22LR to a .50BMG and everything in between. Easily passes U.S. Military drop test requirements. Waterproof: Exceptional waterproof performance that exceeds military standards. Dry nitrogen-filled to eliminate fogging. This optic is tested to withstand and perform in extreme cold and heat with dry-nitrogen filled housing that mitigates fogging. Package Contents: Trijicon ACOG 4x32mm Rifle Scopes w/TA51 Mount Thumbscrew Flattop Adapter (TA51) 4x32 Scopecoat (TA63) LENSPEN (TA56) Lanyard Assembly for Adjuster Caps (TA71E) Trijicon Logo Sticker (PR15) ACOG BAC Manual Warranty Card Trijicon 100216: ACOG TA31 4x32mm Rifle Scope Black Amber Chevron .223 / 5.56x45mm Reticle MOA Adjustment
Specifications
- Manufacturer:
- Trijicon
- Category:
- lpvo-scope
- Weight:
- 15.1 oz
- Length:
- 5.8"
- UPC:
- 719307301313
- MPN:
- TA31FA
- Required Component:
- No
Parts Cabinet
Track parts you own or plan to buy.
Where to Buy
Have one to sell?
Sponsored
MantisX
The smart way to train your AR build
Built your rifle — now train it. BlackBeardX installs in minutes and turns your AR into a full dry fire system with smart feedback on every pull.
Shop BlackBeardXPrice History
Current
$1,080.99
Lowest
$1,070.95
Highest
$1,099.99
Price Alert
Sign in to save a target price and receive an email when this component drops.
Sign In to Set AlertSimilar Products

Leupold Mark 5HD Rifle Scope - 3.6-18x44 (35mm) M1C3 FFP Illum. PR-1 MOA
Leupold
$2499.99

Monstrum Banshee 1-6x24mm LPVO Rifle Scope 30mm Tube Offset Mount Second Focal Plane
Monstrum
$129.99

EOTech Vudu 4-12x36 FFP MR5 MRAD Integrated Mount LPVO Scope
EOTech
$1149.00

Trijicon 400330 ACOG TA44 1.5x16 Scope Red Circle Dot Reticle
Trijicon
$1104.98

Firefield Barrage 2.5-10x40 Rifle Scope with Red Laser Mil-Dot FF13065
Firefield
$119.97

Sig Sauer Tango-MSR Compact 1-10x24 FFP Illum BDC-10 Riflescope with Mount
Sig Sauer
$629.99

Vortex Razor HD Gen II 1-6x24 Riflescip with VMR-2 ILL DOT MOA
Vortex
$1399.99

ZEISS Conquest V4 1-4x24 ZQAR Illum. Reticle #62 .5 MOA
Zeiss
$524.00
Builds Using This Part
No builds yet — be the first to use this part.
Related Guides
Guide
AK Optics Mounting Guide: Side Rail vs Dust Cover vs Handguard
Compare the main AK optics mounting approaches and choose the right setup for durability, repeatable zero, and practical shooting performance.
8 min read
Guide
AR-15 Optic Height Over Bore Explained (1.54, 1.93, 2.26)
An AR-15 optic mounting guide explaining height over bore, close-range offset, holdovers, and tradeoffs between absolute co-witness, lower-third, and taller mount heights.
7 min read
Guide
Optics 101: Red Dots, LPVOs, and Magnified Scopes
A high-level overview of the main optic categories, explaining tradeoffs between speed, versatility, and precision for AR-15 builds.
7 min read