Eotech Holosight 551.A65/1 Red Dot Sight NV Compatible

Eotech Holosight 551.A65/1

A lighter, smaller version of the Model 552, the Model 551 offers the same durability and function, but in a more compact unit. At 4 inches in length, this sight takes up less valuable rail space, leaving more room for a rear iron sight or NV mount.

• N Battery
• 65 MOA circle with 1 MOA aiming dot reticle pattern
• Compatible with Gen I-IV Night Vision Systems (tandem operation)
• Includes rugged aluminum hood assembly and knobbed tool-less mounting bolt
• Interfaces to standard 1 inch Weaver dovetail / Picatinny rail

• Optics: Transmission holography - parallax free
• Magnification: 1x
• Eye Relief: Unlimited
• Length/Width/Height: 4"x1.8"x2.25" (102x49x60 mm)
• Weight: 8.8 oz (250 grams)
• Temperature: -20 to 140 F
• Waterproof: Submersible to 33 ft depth
• Sealing: Fogproof internal optics
• Color/Finish: Non reflective black with hard coat finish
• Adjustment (per click): 0.5 MOA (1/2" at 100 yds)
• Adjustment Range: +/- 40 MOA travel
• Mount: Picatinny (MIL-STD-1913) rail
• Return to Zero: Repeatable to 2 MOA after re-mounting

Heads-Up-Display Window

• Optical Surfaces: Anti-glare coating
• Window Dimensions: 1.20" x 0.85" (30 x 23mm)
• Front Window Material: 1/8" solid glass
• Rear Window Material: Shatter resistant laminate (3/16" thick)
• Field of View (100 yds): 30 yds (28m) at a 4" eye relief
• Standard Reticle: 65MOA circle with quadrant ticks with 1 MOA aiming dot

Electrical

• Brightness Adjustment Range: 110,000:1 brightest to lowest
• Night Vision Brightness Range: 1000:1 with NV switch engaged
• Power Source: 2x N type 1.5V alkaline batteries (3.0V)
• Battery Life: 200 continuous hours at nominal setting 12
• Brightness Settings: 30 settings with scrolling feature (10 settings for NV use)
• Auto Battery Check Indicator: Flashing reticle upon start-up
• Auto Shut-down: At 8 hrs- programmable to 4 hrs