Trijicon ACOG® 4x32 BAC Riflescope - .223 / 5.56 BDC Reticle

Trijicon ACOG® 4x32 BAC Riflescope - .223 / 5.56 BDC Reticle

Command any battleground or shooting range with the Trijicon ACOG TA31A 4x32 Rifle Scope, the legendary fixed-power optic trusted by U.S. Special Forces and elite tactical operators worldwide. Purpose-built for the M16 and AR-15 platform, this compact combat sight seamlessly bridges the gap between rapid close-quarters engagement and precise long-range marksmanship. Utilizing Trijicon's Bindon Aiming Concept™ (BAC), the ACOG enables "both eyes open" target acquisition, maintaining maximum peripheral vision and situational awareness when every second counts.

Forged from aircraft-grade aluminum, the TA31A features an illuminated Red Triangle .223 BDC reticle powered by an innovative dual-illumination system. Combining fiber optics for daylight brightness and tritium for night operations, this scope is completely battery-free and always ready. Submersible to 66 feet and nitrogen-purged to eliminate internal fogging, the ACOG TA31A delivers unmatched light transmission, crystal-clear optical clarity, and extreme shock resistance under the harshest battlefield conditions.

Features

Battery-Free Dual Illumination:
Utilizes ambient fiber optics to automatically adjust reticle brightness during daylight and self-luminous tritium for night operations, delivering an always-on reticle without failure-prone batteries.

Bindon Aiming Concept™ (BAC):
Enables instinctive "both eyes open" aiming to enhance situational awareness, speed up target acquisition, and improve hit probability in dynamic tactical scenarios.

Bullet Drop Compensating (BDC) Reticle:
Features an intuitive Red Triangle Post reticle calibrated specifically for .223 / 5.56 ammo, offering precise bullet drop holds and distance-ranging capabilities without manual dialing.

Forged Aluminum Housing:
Built from a solid block of forged aircraft-grade aluminum to create an exceptionally rugged, shockproof body proven to withstand recoil from .22LR to .50BMG.

Combat-Proven Waterproofing:
Dry-nitrogen filled to eliminate internal fogging across extreme temperature shifts and submersion-tested to 66 feet (20m) for absolute reliability in harsh operational environments.

Specifications