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Holosun HS512C Multi-Reticle Circle Dot Enclosed Reflex Sight w/ Solar Failsafe and Shake Awake - HS512C

SKU HS512C-Holosun

List Price $359.99
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The HS512C is an enclosed reflex optical sight designed for rifle and carbine applications. It comes equipped with Holosun’s exclusive Solar Failsafe Technology which utilizes integrated solar panels to constantly charge the batteries. This design ensures the optic always has a backup power source even in the event of a dead battery, and reticle intensity is automatically adjusted based on the amount of light the solar cell receives. The HS512C’s reticle is composed of a 2 MOA dot in the center of a 65 MOA circle to promote faster target acquisition without sacrificing accuracy. The optic’s Multi-Reticle design also allows the user to choose a 2 MOA dot only for making more precise shots. Other features of the HS512C include Holosun’s ShakeAwake Technology that instantly activates the optic when movement is detected, making the optic always at the ready.

In the Box:

  • Absolute Cowitness Mount
  • T10 L Key
  • CR2032 Battery
  • Lens Cloth
  • User Manual

Features of the Holosun HS512C

  • MRS: Circle Dot; 2 MOA Dot; 65 MOA Circle
  • Up to 50,000 Hours Battery Life (Setting 6)
  • 12 Brightness Setting: 10 DL & 2 NV Compatible
  • Convenient Tray Battery Compartment
  • Parallax-free & Unlimited Eye Relief
  • Completely Enclosed Design
  • Multilayer Reflective Glass


  • Magnification Range:1x
  • Reticle Details2 MOA Dot & 65 MOA Circle
  • Objective Lens Diameter:0.91x1.26 (in)
  • Dimensions:3.35 x 1.63 x 1.7 (in)
  • Weight:8.1 oz
  • BatteryCR2032
  • Battery TypeCR2032
  • Night Vision CompatibleYes
  • Brightness Settings2 NVD 10 Regular
  • Product TypeReflex Sight/Red Dot
  • Item ConditionNew
  • UPC605930625318
  • MPNHS512C

Customer Reviews

Average Rating
March 1, 2024

My first purchase from EuroOptic and I am thrilled! The Holosun 510C is unbelievable in terms of performance. One that can not be beat at this price point. Ordering was simple.Site couldn’t be a friendlier for the user. Great communication, and product arrived in no time. I have found my new Goto shop!!

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January 4, 2022

I have 2 of these and they're awesome. Eurooptic ships FAST, I always check them out before shopping anywhere else.

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April 18, 2024

The sight looks great on my rifle. Paired with a 3x magnifier it’s even better. The reticles are clear, it was easy to zero and it has shake a’ wake, can’t complain.

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April 17, 2024

Great optic!

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April 14, 2024

Have the gold, it's perfect better for my eyes to see

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March 27, 2024

I was absolutely shocked at the quality of this optic! I paid $309 For the money it could possibly be the best bang for the buck. Shake awake, solar, enclosed and crystal clear! Purchase one asap. You will be extremely satisfied!

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March 22, 2024

Can't beat this optic for the price at EuroOptic. I like having different reticle options and the solar back up. This is perfect for any rifle that doesn't need magnification or you can add a 3x magnifier for more versatility.

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March 3, 2024

Great optic at a great price ! Will buy more from Eurooptic ,

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March 3, 2024

Love this optic. Very little adjustment to zero, nice big window, the multi reticle and solar are great, and it takes 2032 batteries that are easy to replace.

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February 19, 2024

Eurooptic had the best prices around. Received the product and it works great. Shipping was fast just as promised. Will definitely be buying again from eurooptic everything came just as promised with no hassle or issues.

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January 12, 2024

Very good product, and fast delivery. It was bought as a gift for my son-in-law.

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December 13, 2023

I have put 3 of these on different firearms. Best optic for the money. Makes shooting a blast. One on a 10/22, one on a semi auto 12 gauge, one on a m400.. So much fun with quick target acquisition and really crisp green holographic circle-2 Moa dot. No regrets.

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December 6, 2023

I really like my new holosun red dot. It's got a new home on my Daniel Defense DDM4 V7. Eurooptic had a great price and fast shipping.

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November 27, 2023

Very nice, this on my tavor 7, nice, easy to move through house. It definitely needs to be turned down when going to darker room from night light room. Atleast 2 steps down.

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November 14, 2023

I have the red and gold dot version of this optic and they are awesome!

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