The OSight SE (part no. OSIGHTSEGN) is a fully sealed, RMSC-footprint reflex sight built around a 6 MOA green dot, with an aspherical lens for distortion-free, parallax-free viewing and easy side battery access.

Key Specifications

• Reticle: 6 MOA green dot
• Mount footprint: RMSC
• Finish: Black
• Power source: CR1620 battery
• Housing: fully sealed against the elements
• Lens: aspherical design for zero distortion
• Parallax-free viewing through a large window
• Battery access: side-loading, tool-free replacement
• Zero retention: no need to re-zero the sight after battery changes

Frequently Asked Questions

What footprint does the SE use? The RMSC mounting footprint.

What battery does it take? A CR1620 battery, accessed from the side without removing the sight.

Is the dot red or green? Green.

Buy the OSight SE Green Dot Sight For Sale

Need a sealed, parallax-free green dot on RMSC footprint? Shop more OSight optics, or browse our full red dot sights selection at Schaefer Defense.