Description
The Holosun HS512C is a fully enclosed red-dot reflex sight for rifles, PCCs and shotguns. Its red 650 nm Multi-Reticle System lets you select a 2 MOA dot, a 65 MOA circle or the circle-dot combination, and the enclosed aluminium housing with MAO finish keeps rain, dust and mud off the emitter. Solar Failsafe keeps the reticle lit from ambient light when the CR2032 battery is low, Shake Awake switches the sight on at the first movement, and battery life is rated up to 50,000 hours at setting 6. With a 0.91 x 1.26 in (approx. 23 x 32 mm) window, parallax-free 1x image and unlimited eye relief it suits close-range work on a hunting rifle, straight-pull or shotgun; the supplied absolute co-witness Picatinny mount puts it at the right height for AR-pattern iron sights and the Holosun HM3X magnifier.
Features
- Red MRS: 2 MOA dot, 65 MOA circle, or circle-dot
- Completely enclosed design with multilayer reflective glass
- Solar Failsafe and Shake Awake; CR2032 in a side tray, up to 50,000 h
- 12 brightness settings (10 daylight, 2 night-vision compatible)
- Durable aluminium housing, MAO finish, IP67 submersion rated, 1000 G vibration
- 0.5 MOA clicks with ±50 MOA windage and elevation travel
- Weight 8.1 oz (approx. 230 g); 3.35 x 1.63 x 1.7 in (approx. 85 x 41 x 43 mm)
- In the box: absolute co-witness mount, T10 L key, CR2032 battery, manual, lens cloth
Frequently asked questions
What is the difference between the HS512C and the HS510C?
The HS512C is the fully enclosed version of the 510-series sight; the HS510C is an open reflex design. Both use the same red 2 MOA / 65 MOA Multi-Reticle System.
Is the HS512C still a current Holosun model?
Holosun’s current range lists the titanium HE512T-RD as the enclosed 512-series sight; the HS512C is no longer shown on holosun.com. Stock is limited to what is on hand.
Does it work with a magnifier?
Yes, pair it with the Holosun HM3X at absolute co-witness height.
Available from 3 Gun Tactical, Tingalpa QLD (Licensed Firearms Dealer 50001578). No firearms licence is required to purchase an optic.





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