EOTech 557.AR223 Reticle Red Dot Scope - AA Battery – NV Compatible
The EOTech 557 Holographic Weapon Sight (HWS) features revolutionary parallax-free technology, in a rugged case that has been designed to better-accommodate magnifiers, night vision image intensifiers, and back-up iron sights. This is an elite NV compatible weapon sight, at an attractive value price, backed by the EOTech sight name.
EOTech, the innovator of the Holographic Sight, packs their legendary parallax-free holographic electro-optics technology into a compact package. Multi-coated precision optics offer excellent light transmission, providing 557 Holosight users with a bright picture, while reducing any glare that might betray your position. EOTech's true heads-up display offers unlimited eye relief, and a wide field of view, which eliminates blind spots - helping shooters quickly pick out targets. The EOTech 557 Holosight features an adjustable-brightness illuminated A223 ballistics-matched reticle. A 65 MOA circle, with quadrant ticks, allows for fast target acquisition, in close quarters. Inside the circle are a series of four vertically spaced 1 MOA aiming dots are specifically calibrated for .223 ammunition, calculating bullet drop on targets between 0-300m, 400m, 500m, and 600m. The reticle brightness has 30 levels of adjustment, with a 146,000:1 ratio from brightest to lowest setting, for day time operation. Switch to night vision, for an additional 10 brightness settings, suited for use with modern-generation night vision technology. EOTech's unique holographic sight laser projection system emits no muzzle-side signature, which helps improve the stealth of the shooter in low-light operations.
The EOTech 557 AR .223 Holosight is a ruggedly-built Holosight, filled with dry nitrogen gas, sealed super-tight to prevent fog, and is engineered to pass numerous real-world and extreme torture tests, including the recoil of full-auto fire and high powered rounds – keeping zero, even when debris or window-damage obstructs part of the sight. The buttons are placed on the side of the sight, allowing for use with an in-line magnifier or back-up iron sights. Part of the front base is raised, permitting the sight to fit over standard hand guards found on many M4 or M16 style weapons. Two lithium AA batteries provide upwards of 1000 hours of usage at nominal settings, while common alkaline AA batteries will provide around 600 hours. The EOTech 557 red dot Holosight has an energy-saving auto-shutoff feature, which automatically turns each unit off after 8 hours - and can be adjusted with 4 hour auto-shutoff.
EOTech's top-quality engineering and performance has earned their sights numerous industry awards, military and police contracts, and the trust of serious hunters and sport shooters. Compatible with ubiquitous AA batteries, the EOTech 557 AR 223 Holosight is an elite night vision compatible weapons sight, with a compact and rugged design, at an affordable price.
For operators looking for similar features, without night vision compatibility and an A65/1 reticle, we recommend EOTech 517 Holosight.
EOTech 557 Holosight Features:
Innovative parallax-free EOTech Holographic Weapon Sight technology.
Affordable pricing, without sacrificing features.
Compact design, for use with magnifier or back up iron sights.
Compatible with current-generation night vision technology.
Broad-degree of brightness adjustment for bright and lower-light shooting.
Multi-coated optics provide bright picture, and wide FOV.
Ballistic-matched reticle calculates bullet drop out to 600m for .223 ammunition.
No muzzle-side signature projected from sight, to give away shooters location.
Two CR123 batteries provide upwards of 1000 hours operation.
Rugged battle-tested design, is waterproof and fogproof.
Mounts on 1" Picatinny (MIL-STD-1913) rails.
• Magnification: 1X
• Aiming Reticle (@ 100 yds): 65 MOA circle, with quadrant ticks, and 4 dots for .223 ammo
• Maximum Adjustment: 80 MOA (in 1/2 MOA increments)
• Brightness Adjustment Ratios:
- Regular: 146,000:1, brightest to lowest, in 20 increments.
- Night Vision: 1280:1, brightest to lowest, in 10 increments.
• Field of View: 90 feet @ 100 yds, 4" eye relief
• Eye Relief: Unlimited
• Operating Temperature Range:
- Lithium Batteries: -40°F to +150°F (-40°C to +65.6°C)
- Alkaline Batteries: -20°F to +140°F (-28.9°C to +60°C)
• Waterproof: Submersible to 33 ft depth
• Power Supply: Two Lithium or Alkaline AA batteries
• Dimensions (L x W x H): 5.70" x 2.1" x 2.8" (133mm x 49mm x 71mm)
• Weight: 11.5 oz.