The Holosun 515CM Solar Micro Red Dot Sight 20mm with Lower 1/3 QD Mount, Black is a red dot sight for 1913 Picatinny Rail.
The HS515CM is a compact micro reflex sight built for rifles and carbines that demand durability, precision, and a lightweight footprint.
Its rugged aluminum housing, Multi-Reticle System, and lower 1/3 QD mount, combined with Shake Awake and long battery life, deliver dependable performance across demanding shooting environments.
A red dot sight lets you shoot with both eyes open and puts the aiming point on the same plane as the target, which makes target acquisition fast. Check the footprint and height suit your mount and firearm.
How It Compares
Also compare the Micro Green Dot QD Mount, Removeable/Rotating Flip Lens Caps, Micro Red Dot QD Mount, Side Battery and Scrs Red Dot Sight for 509T Footprint, Non-Magnified. Browse all rifle Dot Sights and the full Holosun range. New to this? Read our guide: Co-Witnessing Iron Sights with a Red Dot.
Ideal For
- Rifles, carbines and PCCs with a 1913 Picatinny rail
- Shooters who want Solar Failsafe backup on a micro red dot
- Lower 1/3 co-witness with a 1.63 in QD mount
- Night vision users, with 2 NV-compatible brightness settings
Key Features
- Micro Reflex Rifle Optic Design Compact optic profile optimized for carbines, rifles, and PCC platforms without adding unnecessary weight.
- Tool-Less Side Battery Tray CR2032 battery compartment allows quick replacement without removing the optic from the mount.
- Lower 1/3 Co-Witness QD Mount Quick detach Picatinny mount with 1.63 inch optic height provides rapid installation and ideal sight alignment.
- 7075 Aluminum Housing Durable aluminum construction engineered to withstand demanding professional use.
- Integrated Protective Lens Caps Rotating lens caps help protect optic glass from debris and environmental exposure.
- 12 Brightness Settings Ten daylight and two night vision compatible brightness levels provide clear reticle visibility in varied lighting conditions.
- IP68 Waterproof Construction Fully sealed optic housing protects internal electronics from water, dust, and extreme environmental conditions.
Compatibility & Fitment
1913 Picatinny Rail. Not sure it fits? Contact us before you order and we will check for you.
Technical Specifications
Brand | Holosun |
Type | Red Dot Sight |
Model | 515CM |
Power | 1X |
Objective | 20mm |
Size | 2 MOA Dot with 65 MOA Circle |
Accessories | Quick Release Mount, ARD, Flip Caps |
Description | Solar with Internal Battery |
Color | Black |
MPN | HS515CM |
UPC | 605930624700 |
US Shipping & Support
Genuine Holosun, brand new and covered by the manufacturer's warranty. Shipping is free on US orders of $99 or more, and smaller orders ship from $6.95. Questions about fit, mounting or which option suits your setup? Our team is glad to help before and after your purchase.
Frequently Asked Questions
What does the Micro Red Dot QD Mount fit?
1913 Picatinny Rail.
Is this a genuine Holosun product?
Yes. It is a new, genuine Holosun product sourced through an authorized US distributor.
How much is shipping?
Shipping is free on US orders of $99 or more. Orders under $99 ship at a flat rate from $6.95 to $9.95, depending on the order total.
