Description
The Holosun SCRS Green 2 MOA Solar is a compact tube-style rifle sight powered by sunlight. Its top-mounted solar panel charges an internal battery, so there is no coin cell to buy or replace. A single 2 MOA green dot keeps the sight picture clean and precise.

Holosun SCRS Green 2 MOA Solar Overview
SCRS stands for Solar Charging Rifle Sight. Holosun rates the internal power reserve at up to 20,000 hours on setting 6, and normal daylight keeps it topped up. The sight is a 20mm-class tube that mounts on the same pattern as Holosun’s 509T pistol sight, which lets it sit very low on the included Picatinny riser. Retailers list it at about 2.5 ounces with 1 MOA clicks and roughly 100 MOA of total adjustment.
How Solar Charging Works
Instead of running down a disposable battery, the panel on top recharges a built-in cell whenever the sight sees sun or bright indoor light. Store the rifle in a dark safe for months and you may need to set it in a window for a while before use, so check it during your regular maintenance. For a rifle that lives in a truck or near a window, it is close to maintenance-free. Some retailers list a CR2032 for this model; Holosun describes a non-removable rechargeable battery.

Clean 2 MOA Green Dot
A single 2 MOA dot covers two inches at 100 yards, ideal for precise shots and tight zeroing. The 540nm green LED stands out in daylight and is a favorite for shooters who find red hard to see in bright sun. Brightness offers 12 settings including night vision levels, with automatic mode available, and Shake Awake turns the LED off when the rifle is still.
Mounting
The included removable riser sets the dot for a lower 1/3 co-witness with standard AR-15 irons. Remove the riser and the optic can mount directly to a plate using the 509T footprint, for very low setups on shotguns or rimfires with appropriate adapters. Holosun magnifiers built for the same height line up cleanly behind it.

Store Title Note
Our previous listing title described a 22mm tube. Holosun describes the SCRS as a 20mm-class tube sight, so we have corrected the description here. The UPC on this listing matches the green 2 MOA model.
Honest Trade-Offs
A built-in rechargeable cell will eventually age, as all rechargeable cells do, and it is not user replaceable. A single dot lacks the fast circle of a multi-reticle model, which matters for close-range defense. For a range rifle or hunting AR where you want a precise dot and no battery changes, those trade-offs are easy to accept.
Ordering and Transfer
When you order a firearm from MAG5 Firearms, we ship it to the licensed dealer you choose. Your dealer completes the ATF Form 4473 and the background check, and may charge a transfer fee. Local buyers can complete the transfer at our shop. Bring a valid ID, and check your state waiting period before you plan a hunt or a range trip.
Safe Storage
Store the firearm unloaded in a locked safe or case, with ammunition kept separately. A cable lock or trigger lock is a good backup, especially in a home with children or visitors. Keep the original box and paperwork, and record the serial number in a safe place in case the gun is ever lost or stolen.
Specifications
- Model: SCRS-GR-2
- UPC: 810047072898
- Reticle: 2 MOA green dot
- Magnification: 1x, unlimited eye relief
- Power: solar panel charging a built-in cell
- Power reserve: up to 20,000 hours at setting 6
- Brightness: 12 settings including night vision, manual and auto
- Adjustment: 1 MOA per click
- Housing: aluminum, black
- Water rating: IP67
- Weight: about 2.5 oz
- Mount: removable Picatinny riser, 509T pattern
Before You Buy
Optics ship straight to you with no FFL transfer. Plan to give the sight some light before first use, and zero at 50 yards for a typical 5.56 carbine.
Who It Is For
The Holosun SCRS Green 2 MOA Solar is a great fit for AR-15 and carbine owners who want a precise green dot and never want to think about buying or changing a battery again.
Buy the Holosun SCRS Green 2 MOA Solar at MAG5 Firearms
MAG5 Firearms is a family-owned shop in Collegeville, Pennsylvania. Optics do not require an FFL transfer, so the Holosun SCRS Green 2 MOA Solar ships straight to your door. Browse our full selection of red dot sights for more rifle optics. For factory details, visit Holosun.








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