Looking for the best red dots for SIG P320 DH3? Look no further. In this guide, we’ve curated a list of the 7 best red dot sights for the SIG P320 DH3, considering performance, features, and build quality.
The SIG P320 DH3 is a high-performance pistol for competition and tactical shooting. It offers exceptional accuracy and reliability in different shooting environments. Pairing it with the right red dot sight is essential to maximize its potential with faster target acquisition and improved precision.
Why a Red Dot Sight for Sig P320 DH3?
A red dot sight is a great addition to the Sig P320 DH3. It enhances this handgun in the following ways:
- Faster Target Acquisition: A red dot sight provides a single-plane aiming system making it easier to get on target quickly
- Improved Accuracy: Using a red dot sight will improve your shooting precision
- Better Performance under Stress. Under high-pressure shooting scenarios, a red dot sight simplifies aiming and allows for more instinctive shooting
- Enhanced Low Light Performance: Many of the best red dots for SIG P320 DH3 work well in low-light conditions and have adjustable brightness for visibility in different lighting conditions
- Dynamic Shooting Advantage: These sighting tools help with shooting on the move or engaging multiple targets efficiently
Best Red Dots for SIG P320 DH3
Whether you’re a competitive shooter, law enforcement professional, or firearm enthusiast, here are our recommendations for the best red dots for SIG P320 DH3. Let’s dive right in.
1. Holosun HS407C X2 2 MOA Dot Open Reflex Sight
Specifications
2. Sig Sauer SOR01300 Romeo Zero Reflex Sight
Specifications
- Magnification: 1x
- Objective Lens Diameter: 24mm
- Battery: (1) CR1632
- Reticle: 3 MOA Red Dot
- Overall Length: 1.6 in
- Weight: 0.4 oz
- Illumination Settings 8 Daytime
- Run Time: 20000 hrs
The Sig Sauer SOR01300 Romeo Zero Reflex Sight is an excellent choice for those seeking a lightweight, compact, and reliable red dot sight for concealed carry pistols.
Designed with polymer housing and a SpectraCoat HD polymer lens, the Romeo Zero offers a balance of durability and minimal weight. The 3 MOA red dot provides a crisp and precise aiming point, ensuring rapid target acquisition in various lighting conditions.
With an intuitive motion-activated illumination system (MOTAC), the sight automatically powers on when movement is detected and shuts off when idle, significantly improving battery life. It is also powered by a CR1632 battery, which provides up to 10 years of use under optimal conditions while providing optimal illumination for the reticle.
Pros
- Budget-friendly
- Motion-activated illumination
- Intuitive and easy to use
Cons
- The polymer lens is prone to scratches.
3. Sig Sauer ROMEO1PRO 1x30mm 3 MOA Red Dot Sight
Specifications
- Product Dimensions: 1.83″L x 1.25″W x 1.08″H
- Item Weight: 0.06 Pounds
- Material: Alloy Steel
- Brightness Settings: 12
- Objective Lens Diameter: 30 Millimeters
As one of the best red dots for Sig P320 DH3, the ROMEO1PRO 1x30mm 3 MOA Red Dot Sight offers the best balance between value and performance. It is designed for fast target acquisition, durability, and precision shooting.
The highlight of this red dot sight is its build quality. Made with aircraft-grade aluminum housing, it is incredibly rugged yet lightweight. Additionally, its IPX-7 waterproof rating and fog-proof performance make it highly reliable in extreme environments.
The 1x magnification provides a parallax-free experience, ensuring the red dot remains on target regardless of eye position. The 3 MOA red dot strikes a great balance between speed and precision, offering a crisp and clear aiming point that excels in close to medium-range engagements. Besides, with 12 brightness settings, including night vision compatibility, the ROMEO1PRO adapts well to various lighting conditions.
The other noteworthy features included are a motion-activated illumination, top-loading CR1632 battery, and TruHold Lockless Zeroing System that ensures that once zeroed, the sight holds its setting even after repeated recoil.
Pros
- Straightforward installation
- Compact and lightweight
- Robust construction
- Top-load battery compartment
Cons
- High price point
4. Vortex Viper Red Dot Sight- 6 MOA Dot
Specifications
- Reticle:6 MOA Dot
- Adjustment Click Value: 1 MOA
- Weight: 1.03 Ounces
- Material: Aluminum
The Viper Red Dot Sight has a super low-profile making it perfect for use with cut-out slides. It is easy to install, with no specialized tools needed.
This red dot sight boasts 1 MOA windage and elevation adjustments that make it easy to sight in. Additionally, the low height allows it to co-witness with iron sights while the 6 MOA dot is easy to pick up and get you on target fast.
The power and illumination controls are easy to access and adjust to suit the ambient light settings. Besides, the fully multi-coated, ultra-clear lens offers a crisp, unobstructed field of view while Armortek coatings protect your lens from oil, dirt, and scratches.
In addition to all these features, this red dot sight has a waterproof and shockproof construction that ensure it is ready for all conditions.
Pros
- Great value for the price
- Compact and lightweight
- Easy to operate
- Ultra-clear lens
Cons
- Limited field of view
5. Leupold DeltaPoint Pro Red Dot Sight, 2.5 MOA Dot
Specifications
- Item Weight: 0.13 Pounds
- Material: Aluminum, Alloy Steel
- Magnification Minimum: 1 x
- Reticle: 2.5 MOA Dot
The Leupold DeltaPoint Pro Red Dot Sight is an exceptional optic designed for both professional and recreational shooters who demand precision, durability, and fast target acquisition.
One of the standout features of this red dot sight is its crystal-clear glass and ultra-wide field of view, which work together to provide an unobstructed sight picture. The 2.5 MOA dot is crisp and precise, offering a perfect balance between speed and accuracy for close to mid-range shooting.
Regarding construction, this optic is built with Leupold’s renowned rugged construction. It is 100% waterproof, fog-proof, and shockproof, ensuring it can withstand harsh environments and heavy recoil.
Additionally, it features Motion Sensor Technology that intelligently conserves battery life by automatically deactivating the reticle after periods of inactivity while instantly reactivating it when movement is detected.
Pros
- Easily adjustable brightness settings
- Robust construction
- Long battery life
- Crystal-clear glass and ultra-wide field of view
Cons
- Slightly larger and heavier than some competitors
6. Burris FastFire 3
Specifications
- Product Dimensions: 6″L x 5″W x 2″H
- Sport: Shooting
- Item Weight:0.25 Pounds
- Material: Aluminum
- Objective Lens Diameter: 30 Millimeters
The FastFire 3, Burris’s best-selling red dot sight, is available with a 3 MOA or 8 MOA dot. Choose the 8 MOA dot for quick target acquisition in short-range scenarios, or opt for the 3 MOA dot for pin-point accuracy
As one of the best red dots for Sig P320 DH3, this optic is built to last. It is both light and tough, ensuring it won’t compromise gun balance or handling. Besides, its compact build makes it versatile for mounting on guns using Burris mounting systems
When it comes to illumination, the automatic brightness sensor adapts to environmental conditions, providing a bright red dot for fast target acquisition. Additionally, it offers three manual brightness settings, giving control in various lighting situations
The red dot sight also features a long battery life with the compartment conveniently located on the top of the sight for easy changing of the battery when need arises.
Pros
- Compact and lightweight design
- Toughly built to withstand abuse
- Long battery life
- Wide, unobstructed field of view
Cons
- Limited brightness settings
7. Trijicon RMR Type 2 3.25 MOA Adjustable LED Red Dot Sight
Specifications
- Objective Window Size: 0.83 x 0.63 in
- Reticle: 3.25 MOA Red Dot
- Adjustment Type: MOA
- Adjustment Click Value: 1 MOA
- Battery Life: 2 years standby use
- Water Resistant Mark: 66 ft
- Length: 1.8 in
- Width: 1.1 in
- Weight: 1.2 oz
The Trijicon RMR Type 2 3.25 MOA Adjustable LED Red Dot Sight suits you if you are looking for a premium optic with exceptional durability, precision, and versatility.
Built from rugged 7075-T6 aluminum with a patented shape that absorbs impact and diverts stress away from the lens, this sight is engineered to withstand extreme conditions. Furthermore, it is fully waterproof and fog-proof for use in all weather conditions.
The 3.25 MOA red dot provides an excellent balance between quick target acquisition and precision shooting. Besides, it has adjustable LED illumination for you to fine-tune brightness settings for various lighting conditions, whether in bright daylight or low-light environments. Additionally, the sight is compatible with night vision devices, further expanding its tactical applications.
With Trijicon’s renowned battery-saving technology, the sight offers long battery life while ensuring a crisp, clear dot without unnecessary drain. It also maintains zero exceptionally well, even after thousands of rounds, and the windage and elevation adjustments offer clear, audible clicks for precise tuning.
Pros
- Military-grade durability
- Crisp-clear reticle
- Long battery life
- Holds zero well
Cons
- Big budget
Criteria for Choosing the Best Red Dots for SIG P320 DH3
Here are the key factors to consider when buying a red dot sight for Sig P320 DH3.
Compatibility & Mounting Options
Ensure the red dot sight is compatible with the SIG P320 DH3 slide cut or optic mounting system. Check if an adapter plate is required for installation and choose accordingly.
Reticle & Dot Size
In Sig P320 DH3 red dot sights, the reticle size varies from one product to the other. Red dot sights with 2-3 MOA dot are ideal for precision shooting while Larger dots like 6 MOA are better for faster target acquisition in close-range engagements.
Durability & Build Quality
The best red dots for Sig P320 DH3 are crafted with durability in mind. Choose a red dot with a rugged aluminum or steel housing for impact resistance. Additionally, ensure the red dot sight is fully waterproof, fog-proof, and shock-resistant.
Battery Life & Power Source
Look for models with long battery life (e.g., 20,000+ hours) to minimize frequent battery changes. Models with solar power or auto-adjust brightness help extend battery life.
Brightness Adjustability
Ensure the red dot sight has adjustable brightness levels for different lighting conditions. The more the brightness levels the better. Auto-adjust brightness features are useful in dynamic lighting environments.
Lens Quality & Clarity
The best red dots for Sig P320 DH3 have multi-coated lenses for reduced glare and improved clarity. Opt for a sight with a wide field of view for it helps with situational awareness.
Size & Weight
It is also important to consider size and weight. Compact and lightweight designs are preferable for concealed carry or duty use. They ensure the optic does not interfere with handling and holster compatibility.
Cost
The price of the best red dots for SIG P320 DH3 varies from one item to the other depending on the brand, build quality, and features incorporated. Determine how much you want to spend and look for a red dot sight that matches your budget without compromising features or performance.
FAQs
- Do I need to modify my SIG P320 DH3 to install a red dot sight?
No. The P320 DH3 typically comes with a slide cut designed for optic mounting. However, compatibility varies, so ensure the chosen red dot sight fits your specific model. You might need an adapter plate for certain optics.
- How does adding a red dot sight affect holster compatibility?
Adding a red dot sight can impact holster fit. It’s advisable to use holsters designed to accommodate optics-equipped pistols or consult with the holster manufacturer for compatibility.
Final Words
Choosing the best red dot for your SIG P320 DH3 depends largely on your budget and shooting needs, whether it’s for self-defense, competition, or tactical use. The ideal optic should offer durability, clear reticle visibility, easy adjustments, and a secure fit on your handgun. Look at the features that make each optic the right purchase and choose accordingly.