The EOTech Model 557 Holographic Sight offers the highest quality law enforcement and military sight to date. Built for the field, its rugged and smart accurately pinpointing your target in any environment. Unlike previous models, the operation buttons have been moved from the back to the left side of the sight making access easier for the user. In addition, a portion of the front base has been raised to allow the sight to fit over standard hand guards found on many M-4 or M-16 style weapons.

• 30 brightness settings; 20 daytime, 10 night
• Run Time: 1,000 hours (lithium); 600 hours (alkaline)
• Waterproof up to 33'; Fogproof
• Auto shutdown after 8 hours; battery check
• .25" shatter-resistant window
• Protective hood covers sight
• Knobbed, toolless mounting bolt
• Standard 1" Weaver / Picatinny interface
• Reticle provides 4 aiming dots for the following target distances: 0 - 300m, 400m, 500m and 600m
• Requires two "AA" batteries (supports lithium, alkaline or rechargeable)
• Dimensions: 5.7" x 2.1" x 2.8"
• Made in the USA

Color: Black

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