The SLx 3x MicroMagnifier is an exciting approach at optical magnifiers, combining high-clarity 3x magnification with a miniaturized body. This new optic is part of Primary Arms' SLx line. SLx optics built Primary Arms Optics' reputation for innovation, reliability, and value. All SLx optics undergo rigorous field-testing during development to best serve users in any environment. Compatible with this Unity Tactical FAST Mount 3x Magnification 21mm Objective lens diameter 7.0mm Exit pupil 5.3 ounces Compact design Weighing only 5.3 oz, the SLx 3x MicroMagnifier is a miniaturized, lightweight magnifier that extends the effective range of a red dot sight or 1x prism scope. The SLx 3x MicroMagnifier features an innovative ‘micro-sized' design that reduces its footprint compared to traditional magnifiers. This makes it ideal for close-quarters carbines, where agility, ergonomics, and handling speed are paramount.