CrossfireA(R) delivers the red dot speed and accuracy to shooters looking to get the most out of their AR, shotgun, or rimfire rifles. It's versatile, no-nonsense design gets you on target fast, with easy controls and rugged reliability that lasts. Built to defy weather, regular field and range use and abuse, CrossfireA(R) is your key to getting more thrill out of shooting without the complexity. 2 night-vision compatible illumination settings Multi-height mount system with lower 1/3 co-witness mount and low mount Anti-reflective coatings on all air-to-glass surfaces provide increased light transmission for greater clarity and low-light performance Gas purged and O-ring sealed for fogproof and waterproof performance Waterproof, fogproof and shockproof Designed to withstand impact and harsh weather conditions Parallax free Order today!