Trijicon 4x32 ACOG Rifle Scope Matte Red Chevron for USMC A4 with AdapterTrijicon$1,536.69
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Trijicon
The Trijicon 4x32 ACOG rifle scope is a battle-tested magnified optic built for shooters who need speed and precision in demanding conditions. This 4x32 model pairs fixed 4-power magnification with a red chevron reticle and comes mounted on a Flattop Thumbscrew Adapter, ready to mount on your AR platform. Born from Marine Corps specifications, the ACOG has earned its reputation through actual combat use worldwide—it's the magnified optic that outranks competitors in real-world reliability.
What sets this scope apart is its dual-illumination system: fiber optics capture ambient daylight to auto-adjust reticle brightness, while self-luminous tritium keeps the chevron glowing in total darkness—no batteries required. The result is a reticle that's always visible, always ready, letting you shoot with both eyes open for maximum situational awareness. The red chevron design accelerates target acquisition at close range while the integrated Bullet Drop Compensator extends your effective range to 800 meters, with holds marked for rapid distance estimation.
Durability is non-negotiable. Forged aluminum housing, matte black finish, and nitrogen-filled internals guarantee performance in extreme heat, cold, and moisture. External windage and elevation adjusters need no tools and stay waterproof—tested well beyond military standards. The scope is shockproof from .22LR recoil through .50 BMG and passes U.S. Military drop tests. An integrated mounting boss on the housing lets you add a Trijicon RMR for a dual-optic setup if you choose.
This package includes a Thumbscrew Flattop Adapter (TA51), killFlash anti-reflection device, Scopecoat lens cover, LENSPEN, lanyard assembly for adjuster caps, and documentation. Whether you're running a carbine for home defense, tactical training, or hunting, the ACOG 4x32 delivers the optic choice that has proven itself across decades and theaters.
| Magnification | 4x |
| Objective Lens | 32mm |
| Reticle Pattern | Red Chevron |
| Reticle Illumination | Fiber Optics & Tritium (dual-source, battery-free) |
| Bullet Drop Compensator | Yes |
| Effective Range | Up to 800 meters |
| Eye Relief | 1.5 inches (38.1mm) |
| Exit Pupil | 0.32 inches (8.13mm) |
| Field of View | 7° (36.8 feet @ 100 yards) |
| Mount Type | Flattop Thumbscrew (TA51 included) |
| Housing Material | Forged Aluminum |
| Finish | Matte Black |
| Weight | 15.8 oz (447.92g) |
| Waterproof Rating | 11+ meters; nitrogen-filled |
| Designed For | 14.5" barrel M4/M4A1 platform (.223/5.56) |
Yes. The TA31RCO is designed for AR platforms with Picatinny Flattop receivers. The Thumbscrew Flattop Adapter (TA51) is included and mounts directly to your upper receiver. This particular model is optimized for 14.5" barrel configurations and .223/5.56 ammunition.
No. The reticle is illuminated by fiber optics and tritium—a self-luminous radioactive material that requires no power. The fiber optic gathers daylight and automatically adjusts brightness, while the tritium keeps the chevron visible in complete darkness. This battery-free design ensures the optic is always ready.
The package includes the Trijicon 4x32 ACOG scope with Flattop Thumbscrew Adapter (TA51), a killFlash anti-reflection device, Scopecoat lens cover, LENSPEN cleaning tool, lanyard assembly for adjuster caps, Trijicon logo sticker, and documentation.
Yes. The scope features an integrated RMR mounting boss on the housing near the eyepiece, which allows you to mount a Trijicon RMR or compatible secondary optic (RMR not included). This gives you a dual-optic setup for versatility across distance and close-quarters scenarios.
Trijicon
The Trijicon 4x32 ACOG rifle scope is a battle-tested magnified optic built for shooters who need speed and precision in demanding conditions. This 4x32 model pairs fixed 4-power magnification with a red chevron reticle and comes mounted on a Flattop Thumbscrew Adapter, ready to mount on your AR platform. Born from Marine Corps specifications, the ACOG has earned its reputation through actual combat use worldwide—it's the magnified optic that outranks competitors in real-world reliability.
What sets this scope apart is its dual-illumination system: fiber optics capture ambient daylight to auto-adjust reticle brightness, while self-luminous tritium keeps the chevron glowing in total darkness—no batteries required. The result is a reticle that's always visible, always ready, letting you shoot with both eyes open for maximum situational awareness. The red chevron design accelerates target acquisition at close range while the integrated Bullet Drop Compensator extends your effective range to 800 meters, with holds marked for rapid distance estimation.
Durability is non-negotiable. Forged aluminum housing, matte black finish, and nitrogen-filled internals guarantee performance in extreme heat, cold, and moisture. External windage and elevation adjusters need no tools and stay waterproof—tested well beyond military standards. The scope is shockproof from .22LR recoil through .50 BMG and passes U.S. Military drop tests. An integrated mounting boss on the housing lets you add a Trijicon RMR for a dual-optic setup if you choose.
This package includes a Thumbscrew Flattop Adapter (TA51), killFlash anti-reflection device, Scopecoat lens cover, LENSPEN, lanyard assembly for adjuster caps, and documentation. Whether you're running a carbine for home defense, tactical training, or hunting, the ACOG 4x32 delivers the optic choice that has proven itself across decades and theaters.
| Magnification | 4x |
| Objective Lens | 32mm |
| Reticle Pattern | Red Chevron |
| Reticle Illumination | Fiber Optics & Tritium (dual-source, battery-free) |
| Bullet Drop Compensator | Yes |
| Effective Range | Up to 800 meters |
| Eye Relief | 1.5 inches (38.1mm) |
| Exit Pupil | 0.32 inches (8.13mm) |
| Field of View | 7° (36.8 feet @ 100 yards) |
| Mount Type | Flattop Thumbscrew (TA51 included) |
| Housing Material | Forged Aluminum |
| Finish | Matte Black |
| Weight | 15.8 oz (447.92g) |
| Waterproof Rating | 11+ meters; nitrogen-filled |
| Designed For | 14.5" barrel M4/M4A1 platform (.223/5.56) |
Yes. The TA31RCO is designed for AR platforms with Picatinny Flattop receivers. The Thumbscrew Flattop Adapter (TA51) is included and mounts directly to your upper receiver. This particular model is optimized for 14.5" barrel configurations and .223/5.56 ammunition.
No. The reticle is illuminated by fiber optics and tritium—a self-luminous radioactive material that requires no power. The fiber optic gathers daylight and automatically adjusts brightness, while the tritium keeps the chevron visible in complete darkness. This battery-free design ensures the optic is always ready.
The package includes the Trijicon 4x32 ACOG scope with Flattop Thumbscrew Adapter (TA51), a killFlash anti-reflection device, Scopecoat lens cover, LENSPEN cleaning tool, lanyard assembly for adjuster caps, Trijicon logo sticker, and documentation.
Yes. The scope features an integrated RMR mounting boss on the housing near the eyepiece, which allows you to mount a Trijicon RMR or compatible secondary optic (RMR not included). This gives you a dual-optic setup for versatility across distance and close-quarters scenarios.