Others include Docter or Trijicon [10] reflex sights mounted on top, such as the TA11SDO (SU-258/PVQ) and the TA648MGO (SU-260P). [11] . The ACOG ECOS line features both of these secondary sighting systems on the same scope.

In 2009, the U.S. Marine Corps selected the Trijicon ACOG® 3.5x35 as its Squad automatic-weapon Day Optic (SDO). The SDO will mount on the M249 light machinegun to assist gunners in target detection, recognition and identification.

In 2009, the U.S. Marine Corps selected the Trijicon ACOG 3.5x35 Rifle Scope as its Squad automatic-weapon Day Optic (SDO). The SDO will mount on the M249 light machinegun to assist gunners in target detection, recognition and identification.

The Trijicon ACOG is the official medium range weapon sight for both U.S. Special Operations Forces and the Marine Corps as well as being the optic of choice for law enforcement agencies across the country.

The RMR sight is designed to be utilized with BOTH eyes OPEN from needed. The SDO can also be utilized as a reflexive sight when speed is critical. Train yourself to: • Keep BOTH eyes OPEN • Focus on the target • Bring the weapon/optic up into your line of sight Do not switch focus to the reticle • Assess and engage when warranted

Squad Day Optic (SDO) The Squad Day Optic is a 3.5 power, day/night, dual source illuminated telescopic sight with a tritium illuminated reticule pattern designed for the M249 Squad...

In 2009, the U.S. Marine Corps selected the Trijicon ACOG® 3.5x35 as its Squad automatic-weapon Day Optic (SDO). The SDO will mount on the M249 light machinegun to assist gunners in target detection, recognition and identification.

Jul 31, 2019 · Check out the deal on Trijicon RM05G Dual-Illuminated RMR Sight - 9.0 MOA Green Dot at MSP - Mounting Solutions Plus For enhanced precision, Trijicon RMR Dual Illuminated sights with red/amber dot are available at Mounts Plus.

The SDO will mount on the M249 light machinegun to assist gunners in target detection, recognition and identification. This model includes the Trijicon RMR, providing the operator with quick target acquisition at close quarter distances or when vehicular mounted.