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The ACOG needs no introduction—its bombproof construction and time-tested reliability have solidified it as a staple within the industry. The 3.5×35 model offers significantly increased eye relief over the more common 4×32 at the cost of some magnification, a little FOV, and a larger footprint. We find these to be good trade-offs for those who don’t like the tight eye box of the 4×32 model but still want that ACOG reliability.
This is the TA110 (LED) model, which is powered by a single AA battery that provides over 12,000 hours of illumination on setting 4 of 6. Unlike the TA11, the TA110 has two mounting bosses, one at the rear and one in the front, which we call a “middle mount.” These bosses allow better use of our Aimpoint Micro and Acro top mounts than the rear-only mounting boss found on the TA11. You can read more about that in the Top Mount Compatibility section below.
WHAT’S INCLUDED
- 1x Trijicon ACOG 3.5×35 LED Riflescope
- 1x Thumbscrew Flattop Adapter
- 1x AA Battery
- 1x LensPen
- 1x Owners Manual
- 1x Warranty Card

We include an 8.5″ x 11″ rifle zero target with every rifle optic. We recommend a 100-meter zero for the ACOG on most 5.56 rifles.
How To Shoot Part 2: Zeroing – Video – T.REX ARMS
SPECS
FEATURES
- Longer eye relief than standard 4×32 models allows for a less strict eyebox and more flexibility with mounting location.
- Front and rear provisions for red dot mounts.
- High-quality glass and multi-coated lenses maximize light-gathering capabilities and a clear field of view with zero distortion
- Six adjustable brightness levels with an “off” between each setting
- Able to withstand recoil from a .22LR to a .50BMG and everything in between
- Performs in extreme cold and heat with dry-nitrogen filled housing that mitigates fogging
- Passes U.S. Military drop test requirements
- Minimal moving parts, creating a nearly indestructible sighting system
- Exceptional waterproofing that exceeds military standards
- 12,000 continuous hours of runtime on setting 4 of 6
- Forged from 7075-T6 aircraft aluminum
Made in the USA.
View the Crosshair Reticle HERE.
View the Horseshoe Reticle HERE.
TECHNICAL SPECIFICATIONS
| Dimensions (L x W x H) | 8 in x 3 in x 2.6 in (203.2mm x 76.2mm x 66.04mm) |
| Weight | 20.8 oz. (589.67g) |
| Magnification | 3.5x |
| Objective Size | 35mm |
| Reticle Color | Red |
| Bullet Drop Compensating (BDC) | Yes |
| Caliber | .223 / 5.56 |
| Bindon Aiming Concept™ (BAC) | Yes |
| Illumination Source | LED |
| Illumination Settings | 6 |
| Power Source | AA Lithium or Alkaline Battery |
| Battery Life | 12,000+ hours on setting 4 of 6 |
| Adjustment | 3 clicks per inch (@ 100 yds) |
| Adjustment Range | 40 MOA Total Travel |
| Eye Relief | 2.4 in. (60.96mm) |
| Exit Pupil | 0.39 in. (9.91mm) |
| Field of View (degrees) | 5.5° |
| Field of View (feet) | 28.9 ft. @ 100 yds (9.63m @ 100m) |
| Mount | Flattop Thumbscrew Mount (TA51) |
| Housing Material | Forged Aluminum |
| Finish | Matte Black |
TOP MOUNT COMPATIBILITY
| Aimpoint T2 / Micro | Aimpoint Acro | Trijicon RMR | |
| 3.5×35 LED (TA110) | Aimpoint Micro Middle Mount for ACOG Works on either mounting boss, but the rear mount is not an ideal placement for Acro-style optics. | Aimpoint Acro Middle Mount for ACOG Works on either mounting boss, but the rear mount is not an ideal placement for Acro-style optics | RMR Rear Mount for ACOG Works on either mounting boss. |
| 3.5×35 (TA11) | Aimpoint Micro Middle Mount for ACOG Rear only, not ideal placement for T-2 style optics. | Aimpoint Acro Middle Mount for ACOG Rear only, not an ideal placement for Acro-style optics. | RMR Rear Mount for ACOG |
| 4×32 LED (TA02) | Aimpoint Micro Front Mount for ACOG | Aimpoint Acro Front Mount for ACOG | RMR Front Mount for ACOG |
| 4×32 (TA31F) | Not Recommended | Not Recommended | RMR Rear Mount for ACOG |
RESTRICTIONS
Boneyard items are only eligible for shipping within the contiguous 48 United States.