Used about 100 rounds for a review. No issues noted. Cash only. Meetup only.

https://www.osight.com/store/osight-xr-enclosed-red-dot-sight-with-ruggedized-miniature-reflex-footprint-and-2/6-32-moa-multi-reticle-system

Features

• Enclosed Emitter Optic with Ruggedized Miniature Reflex Footprint

• Industryʼs First 2/6+32 MOA Multi-Reticle System

• Industryʼs First Collapsible Backup Rear Sight (CBRS): The integrated, collapsible rear sight serves as a reliable alternative in case the optic is powered off. With a quick press of the pop-up button, you can have a backup sighting system that ensures you can maintain your accuracy and continue shooting effectively.

• Industryʼs First Patented Magnetic Charging Cover

• Aspherical Lens