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Eotech Holographic Sight 512 - 1 MOA Dot & Ring Reticle - AA Batt - Std Mount


You will receive fast, free shipping for all orders over $35

Shipping cost is $5.50 for orders under $35. We ship with UPS and USPS. 

Most orders ship out within 24 hours

You will receive tracking information immediately at the time of shipment. To expedite shipping, we may ship your order from multiple warehouses.  

We have a 90-day no-hassle return policy. We pay return shipping.

If you need to request a return, contact us at and we will send you a return label

After 90 days, defective items will still be covered under the manufacturer’s warranty, where applicable.

Please refer to the product listing for warranty details. If you have specific warranty questions, contact us at We may direct you to pursue your warranty claim directly with the manufacturer.

Your satisfaction is our #1 priority

If you're dissatisfied with your purchase, in any way, please contact us at - we will do our best to make it right.

Product Options


The Eotech 512 offers excellent value for those who don't need night-vision capability. It uses easy-to-find AA batteries.

This tactical optic is perfect for those that want the best in CQB speed and versatility, without the need for night vision compatibility.

Product Specs: 

  • AA Battery model (supports Lithium and Alkaline)
  • Reticle: 65 MOA circle with 1 MOA aiming dot
  • Includes rugged aluminum hood assembly and knobbed, tool-less mounting bolt
  • Provides absolute cowitness with AR-15 iron sights. For lower 1/3 cowitness, check out the EXPS series with QD riser mount
  • Interfaces to 1" Picatinny (MIL-STD-1913) or Weaver rail


  • Optics: Transmission holography - parallax free
  • Magnification: 1x
  • Eye Relief: Unlimited
  • Length/Width/Height: 5.4"x2"x2.25" (137x50.8x57 mm)
  • Weight: 10.9 oz (309 grams)
  • Temperature: -40 to 150 F (using AA lithiums); -20 to 140 F (all other battery choices)
  • Waterproof: Submersible to 10 ft depth
  • Sealing: Fogproof internal optics
  • Adjustment (per click): 0.5 MOA (1/2" at 100 yds)
  • Adjustment Range: +/- 40 MOA travel
  • Mount: 1" Picatinny (MIL-STD-1913) or Weaver rail
  • Return to Zero: Repeatable to 1 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


  • Brightness Adjustment Range: 110,000:1 brightest to lowest
  • No Night Vision Compatibility
  • Power Source: 2x 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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