The Trijicon ACOG 3.5×35 Machine Gun Optic (model TA11MGO-M249) is purpose-built for the M249 weapon system, using a dual-illuminated green horseshoe reticle with a bullet drop compensator rated to 1000 meters, and ships with a TA51 flat-top mount.

Key Specifications

• Magnification: 3.5x
• Objective Lens: 35mm
• Reticle: Dual-illuminated green horseshoe with BDC
• Bullet Drop Compensator: Rated out to 1000 meters
• Illumination: Fiber-optic (daylight) and tritium (darkness), no batteries needed
• Mount Included: TA51 flat-top mount with ARD objective lens insert
• Secondary Optic Ready: Threaded eyepiece bosses accept a Trijicon RMR for close combat
• Fitment: M249 weapon system (Machine Gun Optic)
• Manufacturer: Trijicon

Frequently Asked Questions

What does the MGO designation mean?
MGO stands for Machine Gun Optic; this ACOG variant is designed specifically for the M249 weapon system.

Can I add a red dot to this ACOG for close range?
Yes, threaded bosses on the eyepiece housing let you mount a Trijicon RMR for close-combat engagements alongside the ACOG’s magnified reticle.

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