Holosun HM3X 3x Magnifier with Flip-to-Side QD Picatinny Mount
The Holosun HM3X is a fixed 3x optic magnifier built to pair behind a red dot sight for quick transitions between 1x and magnified viewing. It features a sealed aluminum housing with MAO finish, an ambidextrous flip-to-side quick-detach mount, and precision alignment adjustments for windage/elevation matching to the primary optic.
Optical features include a generous 70mm (2.75") eye relief, 7° field of view, and a ±3D diopter adjustment to fine-tune focus.