Designed specifically for the AR-15, the Vortex SPARC AR Red Dot Sight features a 2 MOA Dot and is night vision compatible. The included mount is a multi-height system, for absolute co-witness, and lower 1/3 co-witness. With a 50,000 hour battery life at the lowest two settings, the Vortex SPARC AR red dot will keep working when you need it most. It features rugged construction that’s still compact, while maintaining lightweight. It has 12 illumination settings.