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Primary Arms 3X LER Red Dot Magnifier Gen IV

In stock
Only 3 left

Primary Arms 3X LER Red Dot Magnifier Gen IV


The Primary Arms Long Relief 3X Magnifier (Gen IV) is waterproof and fog resistant. Place the magnifier behind your red dot or holographic reflex sight to instantly magnify the sight picture at 3x power. The new Gen IV model has a longer eye relief, wider field of view and improved clarity to provide an enhanced user experience. The integrated diopter provides a fast focus ability to keep the image clear. Azimuth and elevation adjustments keep the dot centered in your field of view. A rubber armor sleeve protects the body of the optic from harsh impacts. This tough magnifier features a 1-year warranty.


  • Magnification - 3X
  • Eye Relief - 2.64 Inches
  • Field of View 100 - 37.93 ft
  • Exit Pupil Diameter - 8.00 mm
  • Weight - 7.9 ounces
More Information
Manufacturer Primary Arms
Finish Black
Barrel Length 18"
Caliber .308 / 7.62
Configuration AR-15
Option AR15
Gas Length Intermediate
Height No
Rail Length 12"
Mount Picatinny
Profile No
Reticle No
Co Witness No
Size 9 Slot