Description
This is the setup a lot of folks build in their heads and then can't quite piece together on their own. Trijicon did the work for you by pairing their proven 3×30 Compact ACOG with a 3.25 MOA RMR Type 2 riding right on top. The ACOG gives you fixed 3x magnification with a green horseshoe/dot reticle tuned to 5.56x45mm 62-grain ballistics, and the RMR flips your close-quarters game into instant-on speed. Roll the rifle a few degrees and your eye picks up the red dot for anything inside bad-breath distance, then settle back down behind the ACOG when the target stretches out.
What the 3×30 ACOG Brings to the Table
The heart of this rig is the TA33 ACOG, forged from aluminum and built to shrug off abuse. The reticle runs on tritium and fiber optics with no batteries required, and it self-adjusts brightness based on the light around you, so a bright afternoon and a shaded tree line both look right without you touching a thing. Trijicon's Bindon Aiming Concept lets you shoot with both eyes open, which keeps your peripheral vision working and makes target tracking feel natural instead of tunnel-visioned. The 30mm objective and multi-coated glass pull in enough light to keep the picture crisp when the sun starts dropping.
The RMR Type 2 Up Top
The piggybacked RMR Type 2 is the same red dot that has earned a reputation on duty pistols and carbines everywhere. Its patented housing shape diverts impact away from the lens, and the 3.25 MOA dot is small enough for precision yet quick to find. It runs on a single CR2032 and delivers years of runtime on a middle brightness setting, with automatic mode that reads ambient light for you.
Mounting With Q-LOC
The included Q-LOC mount is Mil-Spec drop-test-rated 6061-T6 aluminum with a one-handed, tool-less clamp. The spring-loaded design holds retention and keeps your zero even before the knobs are cranked down, and it drops onto any Mil-Spec or Picatinny rail. At roughly 6.2 inches long and light in the hand, it keeps a fighting carbine nimble.
Key Specifications
- Manufacturer: Trijicon
- Manufacturer Part Number: TA33-C-400394
- UPC: 719307618213
- Magnification: 3x (fixed)
- Objective Size: 30mm
- ACOG Reticle: Green Horseshoe/Dot 5.56x45mm 62gr Ballistic
- ACOG Illumination: Tritium / Fiber Optic (battery-free)
- Reflex Sight: Trijicon RMR Type 2, 3.25 MOA Red Dot
- RMR Power Source: 1x CR2032 Lithium Battery
- RMR Adjustment: 1 MOA per click
- Mount: Q-LOC Technology, 6061-T6 Aluminum, tool-less
- Housing Material: Forged Aluminum
- Length: 6.2 in
- Shipping Weight: 1.93 lbs
- Rail Compatibility: Mil-Spec / NATO Picatinny
What’s Included
- Trijicon 3×30 Compact ACOG (Green Horseshoe/Dot 5.56/62gr reticle)
- Trijicon RMR Type 2, 3.25 MOA Red Dot (mounted to ACOG)
- Trijicon Q-LOC Technology Mount
- Trijicon LensPen (TA56)
- Trijicon Logo Sticker
- ACOG Manual
- Warranty Card
Frequently Asked Questions
Does the ACOG portion of this combo need batteries?
No. The 3×30 ACOG uses tritium and fiber optics to illuminate the reticle, so there's nothing to charge or replace on that part of the optic. The reticle brightness adjusts on its own based on the light around you. The only battery in the whole setup is the single CR2032 that powers the RMR red dot on top.
How does the RMR Type 2 work alongside the magnified ACOG?
The RMR sits above the ACOG and gives you an instant, non-magnified aiming option for close range. When a target is right on top of you, you use the red dot for speed; when it's farther out, you drop back down to the 3x ACOG for a precise, magnified aiming point. It's a genuine two-in-one so you're not swapping optics for different distances.
What rifle and cartridge is this Compact ACOG set up for?
The green horseshoe/dot reticle is calibrated for 5.56x45mm using 62-grain ballistic data, which makes it a natural fit for a 16-inch AR-15 or similar carbine. The bullet drop marks let you hold for distance without dialing. You can run other loads, but the reticle marks are dialed in for that 62-grain 5.56 profile.
Do I need tools to mount it, and will it hold zero?
The included Q-LOC mount is tool-less and clamps on with one hand onto any Mil-Spec or Picatinny rail. The spring-loaded design keeps retention and holds zero even before the knobs are fully snugged down. Trijicon rates the mount to their drop-test standard, so it's built to stay put through recoil and rough handling.





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