Trijicon RM06-C-700672 RMR Type 2 Adjustable LED Sight, 3.25 MOA Red Dot Reticle, Black

• 3.25 MOA ADJUSTABLE LED RMR: Features an automatic brightness mode and easy push buttons for eight adjustable brightness settings including 2 NV and 1 super bright
• DEPENDABLE ELECTRONIC DESIGN: Ruggedized Battery contacts and electronics ensure performance and survivability in harsh environments
• UNIQUE PATENTED HOUSING SHAPE: Military-grade aluminum alloy forged housing shape diverts force of impact away from the lens, greatly increasing its durability
• BATTERY CONSERVATION MODE: Automatically adjusts aiming dot to ambient lighting conditions after 16.5 hours

*This is one of the best red dots on the market but is expensive, The Holoson 507C is a budget option but does the job just as well.*