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  TA31RCO-M4CP (Trijicon 4x32 ACOG Scope)

Trijicon TA31RCO-M4CP


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MSRP: $1,724.00
Our Low Price: $1,466.00
You save $258.00!

Usually Ships in 24 to 48 Hours

Trijicon ACOG Accessories

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TA31RCO-M4CP (TA31RCO-M4): Trijicon 4x32 ACOG Scope with Red Chevron BAC Reticle

Note: The TA31RCO-M4CP and TA31RCO-M4 are the same scope! The scopes are's what comes WITH the scopes that is different.
The TA31RCO-M4CP includes extra Civilian Packaging items like a Trijicon Logo Sticker, shipping box, Warranty Card, etc. The TA31RCO-M4 part number is sent to the military so the Trijicon Logo Sticker, shipping box, and Warranty Card are not included.

This scope was specifically designed for the United States Marine Corps and calibrated for the M16M4 rifle with a 14.5” barrel.

The TA31RCO-M4CP (TA31RCO-M4) incorporates dual-illumination technology using a combination of fiber optics and self-luminous tritium. This allows the aiming point to be always illuminated without the use of batteries. The Tritium illuminates the aiming point in total darkness, and the fiber-optic self-adjusts reticle brightness during daylight according to ambient light conditions. The TA31RCO-M4CP (TA31RCO-M4) allows the operator to keep both eyes open while engaging targets and maintaining maximum situational awareness.

The TA31RCO-M4CP (TA31RCO-M4) is designed to the exact specifications of the United States Marine Corps. The unique reticle pattern provides the shooter with quick target acquisition at close combat ranges. The TA31RCO-M4CP (TA31RCO-M4) also provides enhanced target identification and hit probability out to 800 meters utilizing the Bullet Drop Compensator.

The TA31RCO-M4CP (TA31RCO-M4) also includes:
-1 Thumbscrew Flattop Adapter (TA51)
-1 4x32 RCO killFLASH®
-1 Adjuster Cap Lanyards
-1 4x32 Scopecoat (TA96)
-1 LENSPEN® (TA56)
-1 Trijicon Logo Sticker (PR15)
-1 RCO Manual
-1 Warranty Card

-Magnification: 4x
-Objective Lens Size: 32mm
-Bullet Drop Compensator: Yes
-Length: 5.8"
-Weight (oz): 14.7 (Mount Included)
-Illumination Source: Fiber Optics / Tritium
-Reticle Pattern: Chevron with Target Reference System
-Day Reticle Color: Red
-Night Reticle Color: Red

-Caliber Calibration: .223 Cal (5.56mm)
-Bindon Aiming Concept: Yes
-Eye Relief (In): 1.50
-Exit Pupil (mm): 8.00
-Field Of View: 7.00 Deg
-Field Of View At 100 Yds (Ft): 36.80'
-Adjustment At 100 Yds (Clicks/In): 3
-Tube Size: N/A
-Mount: TA51 Picatinny Rail Mount Included (Factory Installed, see picture above)
-Mount On/Comes With: Picatinny Rail
-Housing Material: Forged Aluminum

If you have any more questions don’t hesitate to ask! We know a LOT about the Trijicon Product Line and we’re more than happy to answer any questions you might have!

Here’s a great real life example of why Trijicon ACOGs are worth the money:
SGT Todd Bowers is a Marine who served in Iraq. His father gave him an ACOG scope as a gift before he deployed. SGT Bowers brought it with him and used it during patrols and combat operations. During one operation his unit encountered some insurgents and a firefight broke out. Sometime during the fight an enemy sniper round hit the ACOG he was aiming through and the ACOG stopped the 7.62mm bullet! He continued to fight with his unit and routed the insurgents. Talk about a tough battle tested product!

When SGT Bowers returned to the United States he took a tour of the Trijicon manufacturing facility and spent some time with them at the Trijicon booth at the International Shot Show Convention. Trijicon stands behind it's customers!

See other military and law enforcement customer testimonials here:
Trijicon ACOG Testimonials

Discount Accessory Information

Unlike most retailers, we don’t just list some random “accessories” you can pickup with this Trijicon ACOG scope. We specifically researched and selected these accessories for both added benefits and product compatibility. You can be assured that these are high quality accessories, made by the top accessory manufacturers, and they’re designed specifically to be used with this Trijicon ACOG scope.

These accessories are designed to enhance this product and are offered at an exclusive discount price if you order them with this product. At we go the extra mile to make sure you get exactly what you need!
Export: The Export of this product without proper licensing is strictly prohibited and falls under ITAR per title 22, CFR, parts 120-130. Please contact manufacturer's Export Dept. to receive further information on how to obtain proper licensing from the U.S. Department of State.

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