The Sig P320 is a versatile and reliable handgun, and equipping it with the right red dot sight can significantly enhance its accuracy and performance.

In this guide, I'll delve into some of the best red dot sights available, provide detailed reviews, and share tips on how to choose the best one for your needs.

Top 7 Best Red Dot Sights For Sig P320 in 2024

1. Trijicon RMR Type 2

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Specifications:

Reticle Size: 3.25 MOA

Battery Life: Up to 4 years on CR2032

Brightness Settings: 8 adjustable settings

Weight: 1.2 oz

Material: Forged aluminum

Best Features:

Durability: The Trijicon RMR Type 2 is renowned for its rugged build, making it ideal for the toughest conditions.

Battery Life: With up to 4 years of battery life, it ensures long-term reliability.

Auto-Adjust Brightness: The automatic brightness adjustment feature ensures optimal visibility in various lighting conditions.

Pros:

Extremely durable and reliable.

Long battery life.

Clear and crisp reticle.

Cons:

Higher price point.

Slightly heavier than some competitors.

User Experience: Using the Trijicon RMR Type 2 on my Sig P320 has been a game-changer. The sight offers a crisp reticle and the auto-brightness adjustment works flawlessly, ensuring clear visibility in varying lighting conditions. The rugged construction means it can handle rough handling without any issues.

Customer Comments: Many users praise the Trijicon RMR Type 2 for its reliability and durability. One customer mentioned, "I've had this sight on my P320 for over a year, and it's still as precise as the day I installed it."

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2. Leupold DeltaPoint Pro

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Specifications:

Reticle Size: 2.5 MOA

Battery Life: Up to 1,600 hours on CR2032

Brightness Settings: Adjustable

Weight: 1.95 oz

Material: Aluminum

Best Features:

Field of View: Offers an exceptional field of view, making target acquisition faster.

Motion Sensor Technology: Extends battery life by turning off the sight when not in use.

Clear Glass: High-quality glass provides a sharp and clear view.

Pros:

Excellent field of view.

Motion sensor technology.

Robust construction.

Cons:

Shorter battery life compared to some competitors.

Slightly bulkier.

User Experience: The Leupold DeltaPoint Pro has impressed me with its wide field of view, which significantly enhances target acquisition speed. The motion sensor technology is a fantastic addition, conserving battery life effectively.

Customer Comments: Many customers appreciate the clear sight picture and the durable build. A review noted, "The DeltaPoint Pro is perfect for my P320. It's tough, reliable, and the wide view makes a big difference."

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3. Holosun HS507C X2

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Specifications:

Reticle Size: 2 MOA dot & 32 MOA circle

Battery Life: Up to 50,000 hours on CR1632

Brightness Settings: 12 settings, including 2 for night vision

Weight: 1.5 oz

Material: 7075 aluminum

Best Features:

Solar Failsafe: Uses solar power to extend battery life.

Multiple Reticle System: Allows switching between dot, circle, or a combination.

Shake Awake Technology: Activates the sight with movement.

Pros:

Extremely long battery life.

Solar failsafe feature.

Versatile reticle options.

Cons:

Learning curve for switching reticles.

Solar panel adds slight bulk.

User Experience: The Holosun HS507C X2 stands out with its impressive battery life and versatile reticle options. The shake awake technology ensures the sight is always ready when I need it. The solar failsafe feature is an added bonus, making it reliable in various conditions.

Customer Comments: Users highlight the long battery life and versatility of the reticle options. One customer shared, "The HS507C X2 is perfect for my P320. The battery lasts forever, and I love the flexibility of the reticle choices."

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4. Vortex Venom

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Specifications:

Reticle Size: 3 MOA

Battery Life: Up to 30,000 hours on CR1632

Brightness Settings: 10 adjustable settings

Weight: 1.1 oz

Material: Aluminum

Best Features:

Ease of Use: Simple controls make it user-friendly.

Compact Design: Lightweight and doesn't add much bulk.

Unlimited Eye Relief: Allows for quick target acquisition.

Pros:

Lightweight and compact.

Easy to use.

Long battery life.

Cons:

Fewer brightness settings.

Not as rugged as some competitors.

User Experience: I found the Vortex Venom to be incredibly user-friendly, with intuitive controls and a compact design that doesn't weigh down my P320. The unlimited eye relief is particularly useful for rapid target acquisition.

Customer Comments: Customers appreciate the lightweight design and ease of use. One review stated, "The Venom is an excellent addition to my P320. It's lightweight, easy to use, and the battery lasts a long time."

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5. Sig Sauer Romeo1Pro

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Specifications:

Reticle Size: 3 MOA

Battery Life: Up to 20,000 hours on CR1632

Brightness Settings: 12 adjustable settings

Weight: 1.0 oz

Material: Aluminum

Best Features:

Designed for Sig P320: Seamlessly integrates with the P320.

Solid Build: Durable construction.

Advanced Lens Coating: Provides a clear and bright sight picture.

Pros:

Perfect fit for Sig P320.

Durable and reliable.

Clear sight picture.

Cons:

Moderate battery life.

Higher price compared to some alternatives.

User Experience: The Sig Sauer Romeo1Pro is a natural fit for the Sig P320, providing a seamless integration and a clear, bright sight picture. The durability of the sight ensures it can withstand rigorous use.

Customer Comments: Many users love the seamless fit with the P320. One customer mentioned, "The Romeo1Pro is designed for the P320, and it shows. It's the perfect match."

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6. Burris FastFire III

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Specifications:

Reticle Size: 3 MOA

Battery Life: Up to 5,000 hours on CR1632

Brightness Settings: 3 manual settings and automatic brightness sensor

Weight: 1.5 oz

Material: Aluminum

Best Features:

Auto Brightness Sensor: Adjusts to changing light conditions.

Compact Design: Doesn't add significant weight.

Ease of Installation: Simple to mount and adjust.

Pros:

Auto brightness feature.

Compact and lightweight.

Easy to install.

Cons:

Shorter battery life.

Fewer brightness settings.

User Experience: The Burris FastFire III impressed me with its auto brightness sensor, which adjusts seamlessly to changing light conditions. The compact design means it doesn't add much weight to my P320, and installation was straightforward.

Customer Comments: Customers appreciate the auto brightness sensor and the compact design. One user stated, "The FastFire III is a great addition to my P320. It's easy to use and the auto brightness is a nice feature."

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7. Crimson Trace CTS-1550

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Specifications:

Reticle Size: 3.5 MOA

Battery Life: Up to 20,000 hours on CR2032

Brightness Settings: Auto brightness adjustment

Weight: 0.65 oz

Material: Polymer

Best Features:

Ultra-Lightweight: One of the lightest red dots available.

Auto-Brightness: Adjusts to ambient lighting conditions.

Affordable: Offers great value for the price.

Pros:

Very lightweight.

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