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Holosun HS510C Multi-Reticle Circle Dot FDE Open Reflex Sight w/Solar Failsafe, Shake Awake, & QD Mount HS510C-FDE

SKU HS510C-FDE-Holosun

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The Holosun HS510C is an Open Reflex Sight created with Solar Failsafe™ which means you won't have to worry about battery failure. With the added feature of automatic brightness adjustment, you'll be able to use your red-dot in almost any lighting condition. Add to that the convenience of Shake Awake™, the user-programmable LED shut-off technology that wakes with the slightest movement, and you have one of the most battery efficient micro reflex sights on the market. Topping it off is T6 Aluminum housing and a multi-reticle system making this a must-have optic for any rifle or PDW.

In the Box:

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

Features of the Holosun HS510C

  • 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


  • Magnification Range:1x
  • Objective Lens Diameter:0.91"x1.26"
  • Dimensions:3.3"x1.68"x1.78"
  • Weight:4.94 oz
  • BatteryCR2032 and Solar
  • Battery TypeCR2032
  • Night Vision CompatibleYes
  • Brightness Settings2 NVD 10 Regular
  • Product TypeReflex Sight/Red Dot
  • Item ConditionNew
  • UPC605930624991

Customer Reviews

Average Rating
September 12, 2023

I mounted this sight(HS 510 C) on my Spikes Tactical, sighted in, then took it to a class. Shot 500 rounds during the class, the sight worked just as I expected. The sight allowed me to acquire my targets, large or small quickly. The shake awake feature is a must have for me for home defense. I'll likely buy another soon!

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April 7, 2023

I'm rating this as five stars as it's the right price (a great deal) for what it is. It's NOT holographic like an Eotech, but it does have the awesome Eotech like reticle and a nice FDE coating... nice sized window... huge fan of the Holosun 507cx2... love Holosuns in general and so far this one is good to go. I'm a red reticle fan and got a green one for my friend so far we are both happy.

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December 5, 2022

Awesome optic for the price!

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