Marine Corps taps Trijicon to refurbish electro-optical rifle sight inventory in $41.2 million contract

April 27, 2020
The sight has Trijicon's dual-illuminated red chevron-shaped reticle and bullet drop compensator for use during the day, in low light, or at night.

ALBANY, Ga. – Weapons sight electro-optics experts at Trijicon Inc. in Wixom, Mich., will refurbish and rebuild thousands of rifle sights for the U.S. Marine Corps. under terms of a $41.2 million contract announced Thursday.

Officials of the Marine Corps Logistics Command, Albany, Ga., are asking Trijicon for the remanufacture of Rifle Combat Optics (RCOs) for the Marine Corps.

The RCO rifle sights, which do not require batteries, enhance the Marine infantryman's ability to identify and engage targets in combat situations at greater ranges and with increased accuracy over standard iron sights, Marine Corps experts say.

Related: Marine Corps picks optical rifle sight from Trijicon to provide electro-optical guidance for infantry rifle

This contract provides for the materials, labor, equipment, facilities and missing/repair parts necessary to inspect, diagnose, test and restore the RCOs.

The Trijicon TA31RCO is a slightly modified version of the company's electro-optical TA31F 4x Advanced Combat Optical Gunsight (ACOG). The sight is mounted to the Marine Corps M16A2 and M16A4 rifles, as well as to the M4A1 carbine, to help Marines identify and fire on targets from as far away as half a mile.

The sight has Trijicon's dual-illuminated red chevron-shaped reticle and bullet drop compensator. In low light or at night, the chevron is illuminated by tritium, company officials say.

Related: Navy picks Nightforce Optics to provide daylight precision rifle sights for U.S. Special Operations

In daylight, a fiber-optic system collects ambient light and helps ensure daytime brightness and controlled contrast. The system does not require a battery.

Trijicon won a $660 million contract in 2005 to provide the Marine Corps with 104,000 of the company's Rifle Combat Optics (RCO) fixed 4 power scopes. The company built these sights in Wixom, Mich., and in Fredericksburg, Va.

On last week's contract Trijicon will do the sight refurbishment work in Wixom, Mich., and should be finished by April 2025. For more information contact Trijicon online at, or the Marine Corps Logistics Command at

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