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EOTECH 517, Side Control Holographic Sight


The EOTech 517 Law Enforcement and Military Holographic Red Dot Sight is designed for optimum functionality. For easier operation, the buttons have been moved to the left side for immediate access. This allows for a magnifier or iron sights to be positioned close to the sight body. In addition to this, a portion of the front base has been raised to fit over the standard hand guards found on many AR-15 type weapons. Making this sight even more convenient is the use of normal AA alkaline batteries (lithium AA or rechargeable AA batteries can also be used). The EOTech 517 is ideal for everything from tactical use to plinking at the range. 

  • Technical Information (From the Manufacturer)
  • Optics: Transmission holography - parallax free
  • Magnification: 1x
  • Eye Relief: Unlimited
  • Length/Width/Height: 5.70" x 2.1" x 2.8"
  • Temperature: -40 to 150 F (using AA lithiums); -20 to 140 F (AA Alkaline)
  • 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 1 MOA after re-mounting
  • 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 yards): 30 yards (28m) at a 4" eye relief
  • Standard Reticle: 65MOA circle with quadrant ticks with 1 MOA aiming dot
  • Power Source: 2 x 1.5V AA batteries (supports lithium, alkaline, or rechargeable)
  • Battery Life: 1,000 continuous hours (lithium) at nominal setting 12; 600 continuous with AA alkaline
  • Brightness Settings: 20 settings with scrolling feature
  • Auto Battery Check Indicator: Flashing reticle upon start-up
  • Auto Shut-down: At 8 hrs- programmable to 4 hrs

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