Primary Arms SLx 3X Micro Magnifier (21mm Objective)
The Primary Arms SLx 3X Micro Magnifier is a compact 3x magnifier designed to extend the capability of a red dot sight or 1x prism optic while keeping overall footprint and weight down.
This micro-sized magnifier features a 21mm objective lens, 2.40" eye relief, and a 35.2 ft field of view at 100 yards. This unit includes a flip-to-side mount installed.