Trijicon TA648MGO-M240 ACOG 6×48 | Green Horseshoe Dot

The Trijicon TA648MGO-M240 ACOG is a 6×48 machine-gun optic developed for the M240 weapon system, offering a fixed 6x magnification and a 48mm objective for enhanced target identification at extended ranges. It uses Trijicon’s dual-illumination system combining fiber optics and self-luminous tritium to provide a green horseshoe-dot aiming point that adjusts to ambient light without batteries. The optic includes a TA75 Picatinny rail adapter to accept Trijicon 1×42 reflex sights for close-in observation.

Product Specifications

• The magnification is 6x.
• The objective size is 48mm.
• The reticle pattern is a Green Horseshoe Dot (dual-illuminated).
• The sight provides bullet drop compensation and is BDC: Yes for extended-range reference.
• The unit supports the Bindon Aiming Concept (BAC) for both-eyes-open aiming at close ranges.
• The illumination source is Fiber Optics & Tritium for automatic daylight adjustment and low-light glow.
• The mount included is a TA75 Picatinny rail adapter.
• The housing material is forged aluminum with a durable finish.
• The exterior finish is Matte Black.
• The windage/elevation adjustment is 4 clicks per inch at 100 yards.
• The eye relief measures 2.7 in.
• The exit pupil is 0.32 in. (8.13mm).
• The field of view is 3.3°.
• The weight is 44.3 oz.
• The UPC is 719307304505.

The TA648MGO-M240 is purpose-built for sustained-fire platforms where reliable, battery-free reticle illumination and a robust mounting solution matter. Its combination of a high-visibility horseshoe-dot reticle and a TA75 adapter makes it suitable for mounted machine-gun roles and vehicle/convoy observation tasks that demand quick target identification at long ranges. The construction and illumination system prioritize durability and consistent performance in varied lighting conditions.