The Holosun 515GM Micro Red Dot Sight 20mm with Lower 1/3 QD Mount, Black is a red dot sight for 1913 Picatinny Rail.
The HS515GM is a rugged micro reflex optic built for rifles and carbines that demand reliability, precision, and a compact footprint.
Its 7075-T6 aluminum housing and Multi-Reticle System, combined withShake Awake, and a side-loading CR2032 battery, deliver adaptable aiming and dependable performance in demanding 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, ARO Red Dot for 1913 Picatinny Rail, Red Dot and Micro Red Dot QD Mount, Side Battery. 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 and carbines with a 1913 Picatinny rail
- Lower 1/3 co-witness with a 1.63 in QD mount
- Shooters who want a 20mm micro red dot with Shake Awake
- Changing the CR2032 battery without removing the optic
Key Features
- Red Super LED Technology 650nm red emitter delivers a crisp reticle with efficient power usage and up to 50,000 hours of battery life.
- 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 optimal sight alignment.
- 7075-T6 Aluminum Housing Hard anodized aluminum construction provides exceptional durability while maintaining a lightweight micro optic profile.
- Integrated Protective Lens Caps Rotating lens caps protect the optic glass from dust, debris, and environmental exposure.
- 12 Brightness Settings Eight daylight and four 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 | 515GM |
Power | 1X |
Objective | 20mm |
Size | 2 MOA Dot with 65 MOA Circle |
Accessories | Quick Release Mount, ARD, Flip Caps |
Description | Side Battery |
Color | Black |
MPN | HS515GM |
UPC | 605930624717 |
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.
