Holosun HS515GM 20mm Shake Awake Red Circle Dot

Holosun HS515GM Shake Awake 20mm red circle-dot sight for rifles and carbines. This micro optic provides a selectable 2 MOA center dot and a 65 MOA circle-dot reticle for rapid aiming and target reference.

The HS515GM is designed to deliver fast target acquisition and reliable aiming on AR-style rifles and carbines. It addresses the need for a low-profile, enclosed micro sight with both battery and solar fail-safe power, automatic Shake Awake operation, and sight protection accessories that make it suitable for duty, patrol, and range applications.

• Reticle: Selectable 2 MOA center dot or 65 MOA circle with 2 MOA center dot for precise and rapid aiming.
• Power: Side-mounted CR2032 battery with tool-less replacement plus solar backup for extended run time; advanced LED rated for up to 50,000 hours on a single CR2032 in some settings.
• Shake Awake: Motion-activated on/off function preserves battery life by entering sleep when not in use and waking with movement.
• Mounting: Quick-detach two-piece mount included; designed to fit 1913 Picatinny rails (Picatinny/Weaver compatible and lower 1/3 co-witness option reported).
• Construction & protection: Enclosed 20 mm optical tube with flip-up/clear lens covers and included anti-reflection device (kill flash); lens angled to reduce glare.
• Adjustments: Windage and elevation adjustable with 0.5 MOA per click increment.
• Size & weight: Approximately 2.44 inches in overall length and listed at about 7 ounces.
• Optical: 1x magnification, parallax-free with unlimited eye relief.
• Controls: Multiple brightness settings including night-vision compatible levels (totaling 12 intensity settings reported).

Specifications & construction
Housing described as aluminum and finished in black anodize. Tube/objective diameter reported as 20 mm. Power source is a single CR2032 battery with an incorporated solar fail-safe. Weight and external dimensions are listed above. The sight includes flip-up lens covers, a quick-release mount, and an anti-reflection device (kill flash) for frontal lens protection. The optic is reported as waterproof and dustproof to an IP68 level in some descriptions.

Compatibility & intended use
Intended for rifles and carbines mounted to 1913 Picatinny or compatible Weaver rails. Typical setups include AR-15 style patrol rifles, carbines used for duty or range use, and platforms needing a compact 1x red dot with a circle reference. The included QD mount supports quick removal and lower 1/3 co-witness mounting positions.

This description is compiled from supplied product details and is written for informational purposes to describe fit, features, and construction based on available data.