American Defense Mfg. DUO Spek/Flik3 Optic/Magnifier Package (Options)


New for 2020, the Dual Use Optic or DUO package from American Defense Manufacturing offers amazing quality and value. The ADM Spek red dot optic is perfectly packaged with a 3x Flik magnifier making the DUO package an great combination for your AR or AK rifle.


The DUO Package combines the Flik Magnifier and the Spek Red Dot Optic. The combination is compact and light weight for maximum maneuverability and comfort. Switching between zero and 3x is effortless with the Flik 3x Magnifier. Additionally, both the optic and magnifier include American Defense Mfg.’s titanium quick-release on an aluminum mount for quick and easy attachment/detachment. Available in either absolute co-witness or lower 1/3 co-witness.


  • Eye Relief: 2.6 in (66 mm)
  • Dot Size: 2 MOA
  • Adjustment Graduation: 1 MOA
  • Adjustment Range: 36 MOA
  • Windage/Elevation Adjustments: Tool-Less
  • Day Brightness Settings: 10
  • Night Vision Settings: 3
  • Battery Type: AAA (Lithium, Alkaline)
  • Battery Life (at room temp): 5 yrs (Lithium, Level 5)
  • Length: 6.1 in (154.9 mm)
  • Auto-Shutoff: 16 Hours

Manufacturer Part Numbers: RD-T1-CO-3X, RD-T1-LT-3X


Additional information



Optic Height

Co-Witness, Lower 1/3rd Co-Witness

Dot Size:



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