Description
Trijicon took everything that made the ACOG a legend and shrank it down into a package that weighs about as much as a deck of cards. The 1.5x16S Compact is the smallest ACOG in the lineup, and this version wears the red RTR 9mm PCC reticle designed specifically around 115 and 147 grain 9mm loads. If you run a pistol-caliber carbine, an SBR, or a lightweight 9mm build, this optic keeps your setup nimble without giving up the rugged reputation the ACOG earned in the field.
What Makes the 1.5x16S ACOG Tick
Like its bigger siblings, this Compact ACOG runs on dual illumination, meaning no batteries to worry about. Fiber optics gather ambient light to automatically brighten or dim the reticle based on your conditions, while a tritium lamp keeps the aiming point glowing when the light drops out entirely. The reticle is a bullet drop compensating design, so you can hold for closer targets fast and still stretch it out when the distance opens up. At 1.5x magnification it plays well with both eyes open, which is where the Bindon Aiming Concept really shines for speed.
Built Tough, Sized Small
The housing is forged from 7075-T6 aircraft-grade aluminum, the same nearly indestructible construction that made the ACOG a mainstay. It's nitrogen-filled and waterproof, so fogging and weather aren't going to slow it down. The scope tips the scale around 5.1 ounces on its own, with a generous 7.4-degree field of view and 2.4 inches of eye relief that make target pickup quick and comfortable.
Mounting the 9mm PCC ACOG
This model ships with Trijicon's Q-LOC mount, machined from Mil-Spec drop-test-rated 6061-T6 aluminum. It's a one-handed, tool-less system with a spring-loaded design that holds zero even before you snug the knobs down, and it clamps onto any Mil-Spec or NATO Picatinny rail. Windage and elevation adjust in 1/2 MOA clicks using external adjusters, with capped lanyards so you don't lose anything in the field.
Key Specifications
- Manufacturer: Trijicon
- Model: Compact ACOG 1.5x16S
- Manufacturer Part Number: TA44-C-400409
- UPC: 719307624689
- Magnification: 1.5x
- Objective Diameter: 16mm
- Reticle: RTR 9mm PCC, Red
- Caliber: 9mm / 115-147 gr
- Illumination Source: Fiber Optics & Tritium (battery-free)
- Bullet Drop Compensating: Yes
- Adjustment: 0.5 MOA per click
- Eye Relief: 2.4 in.
- Field of View: 7.4 degrees (39 ft. @ 100 yds.)
- Housing Material: Forged 7075-T6 Aluminum
- Mount: Trijicon Q-LOC Technology Mount
- Finish: Matte Black
What’s Included
- Trijicon 1.5x16S Compact ACOG scope
- Trijicon Q-LOC Technology mount
- Adjuster caps with lanyard assembly
- Manual
Frequently Asked Questions
Does the Trijicon ACOG 1.5x16S use batteries?
No, it runs completely battery-free. The reticle is lit by a combination of fiber optics that adjust to ambient light and a tritium lamp that glows in low or no light. You never have to remember to swap a battery or flip on an illumination setting.
What is the RTR 9mm PCC reticle designed for?
The RTR 9mm PCC reticle is calibrated around 9mm pistol-caliber carbine loads in the 115 to 147 grain range. It includes a bullet drop compensator so your holds match the trajectory of 9mm out to distance. That makes it a natural fit for PCCs, SBRs, and lightweight 9mm builds.
Will the Q-LOC mount hold zero on the 1.5x16S ACOG?
Yes. The Q-LOC mount uses a spring-loaded design that maintains retention and zero even if the knobs aren't fully tightened. It's a one-handed, tool-less system that fits any Mil-Spec or NATO Picatinny rail and offers solid return-to-zero performance.
How does 1.5x magnification work for close-range shooting?
The low 1.5x power is meant for shooting with both eyes open, letting you keep a wide field of view and full situational awareness. Trijicon's Bindon Aiming Concept lets your eyes work together so target acquisition stays fast up close. It still gives you enough magnification and a BDC reticle to reach out when you need to.





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