Holosun SCS-320-GR Solar-Powered Red Dot for P320 Handguns

When you run optics on a duty or carry handgun, reliability and simplicity become professional requirements. We look for sights that stay on point under stress, adjust to changing light without fiddling, and mount cleanly to modern striker-fired slides. That’s exactly the set of expectations the following optic targets for P320 owners and anyone running a DPP footprint slide.

HOLOSUN 2 MOA Green Dot/32 MOA Circle Multi Reticle

Why this optic matters for P320 platforms

We’ve trained and run gear across a lot of platforms. For the Sig Sauer P320 optics-ready slide, a compact, purpose-built sight that attaches directly to the slide without an adapter plate reduces complexity and points of failure. The HOLOSUN 2 MOA Green Dot/32 MOA Circle Multi Reticle is purpose-designed for P320 optics ready handguns and other DPP footprint applications, offering a direct-mount solution that keeps slide geometry simple and robust.

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Key features and what they mean on the range

Solar charging with long-life battery

The sight uses an innovative solar charging system paired with multi-directional light sensors to automatically adjust brightness in dynamic lighting. Internally it has a rechargeable 20,000-hour battery; under moderate exposure to bright light you can potentially run it indefinitely without ever changing batteries. For daily carry this removes a common maintenance task and reduces the chance of dead optics when you need them most.

Multi-reticle clarity and versatility

The optic presents a 2 MOA green dot with a 32 MOA circle option. That combination gives a tight aiming dot for precision at distance while the outer circle aids fast target acquisition in close, high-stress scenarios. Green dot performance is strong in daylight and against many backgrounds — giving a crisp, high-contrast sight picture for quick hits and follow-up shots.

Automatic brightness + intensity override

Multi-directional sensors constantly manage brightness so the dot remains visible without overpowering the sight picture. When you need a definitive boost, the intensity override locks the optic into a high brightness mode for 30 minutes — useful for transitions from indoor to bright outdoor environments or when you need an immediate, highly visible point of aim. A low power indicator gives advance warning days before charging is required.

Durability and environmental resistance

The SCS is rated IPX8 waterproof, so it’s built to survive rain, splashes, and immersion without losing zero or function. The direct-attach design removes adapter plates that can loosen or allow ingress points, and the compact footprint keeps the optic tucked into the slide’s profile for snag-free carry.

Mounting, compatibility, and practical considerations

Because this sight is designed for the DPP footprint and P320 optics-ready slides, installation is straightforward: mill or cut to the right footprint and screw the optic directly to the slide. That direct attachment keeps the optic low, improves the co-witness profile with iron sights, and reduces the chance of shifting under recoil. If you’re converting a factory slide or building a race/defensive setup, the SCS mounting approach simplifies the process.

Operational tips from people who run gear

Zero the 2 MOA dot at a practical distance for your application (we prefer 25 yards for defensive pistols to balance close and mid-range hits). Use the circle reticle for rapid point-and-shoot entries, then transition to the dot for precise follow-ups. Keep the solar sensors clear of dirt and oil to ensure the automatic brightness system functions correctly — a quick wipe during routine maintenance preserves long-term reliability.

At a street price of $399.99 the sight places itself in the mid-to-upper range for pistol micro red dots. That price reflects the solar charging system, rechargeable battery life, multi-reticle capability, and waterproof rating — features that translate directly into day-to-day value for both new and experienced shooters. View product details and pricing to compare options and confirm current stock.

Who should consider this optic?

Operators, instructors, and everyday carriers running a P320 or any DPP-compatible slide will find the HOLOSUN feature set attractive. If you want to minimize battery swaps, benefit from automatic brightness management, and have both a precise 2 MOA aiming point plus a fast 32 MOA circle, this sight covers a broad set of defensive and training needs. Holosun’s reputation for compact, feature-rich red dots makes the brand and the SCS-320-GR model notable in this segment.

For those ready to upgrade a P320 or fit a DPP-compatible slide with a modern, solar-assisted optic, check current availability and place an order through our shop. Check availability

People Also Ask

What makes this product stand out from competitors?

This product offers superior quality and innovative features that set it apart in the market. Its design focuses on both performance and reliability, making it a top choice for professionals and enthusiasts alike.

Is this product suitable for beginners?

Yes, this product is designed with user-friendly features that make it accessible to beginners while still offering advanced capabilities for experienced users.

What warranty or support is available?

The product comes with comprehensive warranty coverage and excellent customer support to ensure your satisfaction and peace of mind.

How does this compare to similar products in its price range?

This product offers exceptional value for its price point, providing features and quality that typically cost significantly more in comparable alternatives.

What maintenance is required?

Minimal maintenance is required thanks to the product’s durable construction and quality materials. Regular cleaning and occasional inspections will keep it performing optimally.