EOTech G33STS G33 Gen III 3x Magnifier with Switch-to-Side Mount - Matte Black

The EOTech G33STS is a compact 3x magnifier engineered to mount behind a holographic or red dot sight, giving the shooter on-demand magnification for medium-range work without giving up close-quarters speed. As a Gen III design, the G33 is shorter and lighter than the earlier G23, with a wider 7.3-degree field of view, faster 3x-to-1x transitioning, tool-free azimuth adjustment, and an adjustable diopter for crisp focusing.

The defining feature is the integrated Switch-to-Side (STS) mount: a quick twist pivots the magnifier out of the line of sight for close-range engagement, and the mechanism locks it in the offset position until the shooter pushes it back into alignment for magnified shooting. A locking quick-detach lever secures both the optic and the mount to the rail, and the unit ships with a 7mm riser to accommodate raised backup iron sights.

Built around a 1 in tube with a 4.4 in overall length and weighing 10.6 oz, the G33STS is finished in matte black and built to mil-spec durability. It is fogproof, waterproof to 10 meters, and temperature rated for -40 to +160 degrees F. The magnifier sits naturally behind standard-height sights and provides a generous 2.2 in eye relief for fast target acquisition.