EOTech has made the best optic for your AR-15 even better. The EOTech EXPS3-2 Holographic Weapon Sight offers true two-eyes open shooting, and a 7mm raised base for iron sight access. The newest Extreme-XPS (EXPS) features easy-to-adjust side buttons and an adjustable, locking, quick-detach lever for easy attachment and removal to a Picatinny or Weaver rail.
This EOTech sight features a 68 MOA circle with two 1 MOA dots. Also its night vision-compatibility makes it a versatile choice for day or night hunting. The red dot sight is waterproof to 33 feet as well as fog-proof.