Vortex Optics Venom Red Dot Sight - 3 MOA
The Vortex Optics Venom is a low-profile red dot sight built around a rugged aluminum housing and a large viewing window for a clear sight picture with minimal obstruction. Controls include side-mounted up/down brightness buttons, along with windage and elevation adjustment dials for zeroing.
It runs on a CR1632 battery, with battery life rated up to 150 hours at the highest setting and up to 30,000 hours at the lowest setting.