When it comes to enhancing accuracy and speed, choosing the best red dots for P322 can make all the difference. A quality red dot sight not only improves your shooting performance but also adds versatility to your setup.
Whether you’re training, plinking, or competing, the right optic can help you acquire targets faster and shoot more precisely. With so many options on the market, selecting a red dot that’s durable, lightweight, and compatible with the P322 is essential. This guide breaks down everything you need to know to make an informed decision.
A red dot sight designed for the P322 should be easy to mount, deliver a crisp aiming point, and offer adjustable brightness to adapt to various lighting conditions. Battery life, construction quality, and footprint compatibility are also key factors.
Some models include motion-activated sensors or auto-shutoff features to preserve battery power. Others offer waterproof and shockproof housing to withstand regular use in different environments.
No matter your needs, this guide will help you find a red dot sight that fits your shooting style and elevates your experience.
About the Sig Sauer P322
The SIG Sauer P322 is a feature-packed, American-made rimfire pistol designed with performance and customization in mind. It boasts a class-leading 20+1 round capacity, offering unmatched firepower in the .22 LR category. Designed with versatility at its core, the P322 comes optics-ready, featuring a removable rear sight plate for easy red dot installation without adapter plates.
This pistol also includes a threaded barrel adapter, making it suppressor-ready right out of the box. Shooters can customize their feel with interchangeable flat and curved trigger shoes, while ambidextrous controls and a reversible magazine catch cater to both left- and right-handed users.
Bright fiber optic front and rear sights, along with a magazine loader and two 20-round mags, round out this highly capable and user-friendly firearm. The P322’s innovative features make it a top platform for pairing with a precision red dot sight.
5 Best Red Dots for P322
1) Holosun EPS Carry Red Dot Sight
The Holosun EPS Carry-GR-2 is a compact, high-performance red dot sight specifically designed for subcompact handguns like the SIG P322. Built with precision and durability in mind, this enclosed reflex sight ensures a clear and consistent sight picture, making it a top choice for those who prefer a reliable, easy-to-mount sight for their pistol. The EPS Carry combines innovative technology with user-friendly features, making it ideal for everyday carry, competition, and self-defense.
One standout feature of the EPS Carry is its aspheric lens, which guarantees exceptional clarity while maintaining a low dot height for compatibility with most factory iron sights. This is especially important for users who want a seamless integration with their handgun’s existing sights.
Additionally, the sight’s 7075 aluminum housing is tough and resilient, designed to withstand the rigors of daily use without adding unnecessary bulk. The built-in rear notch sight enhances accuracy, allowing for swift target acquisition, even in challenging conditions.
The 540nm Green Super LED offers a 2MOA green dot that is ideal for quick target acquisition, providing superior visibility even in bright sunlight. With a CR1620 battery, users can enjoy up to 50,000 hours of battery life, making this sight incredibly low-maintenance.
The Shake Awake technology extends battery life further by deactivating the LED when not in use, and a slight shake instantly reactivates the sight, ensuring it’s ready when you need it most.
Pros
- Excellent clarity with the aspheric lens.
- Shake Awake technology for extended battery life.
- Green 2MOA dot offers precise aiming and increased visibility.
- Durable 7075 aluminum housing withstands rugged use.
- Long battery life (50,000 hours) reduces the need for frequent battery changes.
- Built-in rear notch sight for quicker sight alignment.
- Compatible with a wide range of subcompact pistols.
- Lightweight and compact design for easy concealment.
Cons
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The price is higher compared to non-enclosed sights.
2) Vortex Optics Venom Red Dot Sight
The Vortex Venom Red Dot Sight (3 MOA) is a top-tier option for shooters looking to enhance the performance of their SIG P322. Known for its reliability, intuitive controls, and crisp optics, the Venom is built to promote rapid target acquisition while maintaining pinpoint accuracy. Whether you’re training, plinking, or carrying for defense, this sight brings premium features in a rugged, compact package.
Constructed with a durable aluminum housing, the Venom is built to endure tough conditions without sacrificing performance. The 3 MOA dot size offers the perfect balance for fast target acquisition and precise shot placement, ideal for the P322’s lightweight, rimfire platform. The top-loading CR1632 battery system allows users to change the battery without removing the sight—an incredibly convenient design element that helps maintain zero and keeps you on target.
Optical clarity is another area where the Venom shines. Its fully multi-coated lenses provide a wide, clean field of view, and the 10 brightness levels allow you to tailor the dot intensity for any lighting condition. There’s also an auto-brightness mode, which uses an ambient light sensor to adjust the dot automatically—ideal for transitioning between environments without fiddling with settings.
The 1 MOA windage and elevation adjustments make sighting in straightforward and accurate. With parallax-free performance and unlimited eye relief, the Vortex Venom supports fast, instinctive shooting that doesn’t slow you down. It’s a lightweight and feature-rich choice that complements the compact, easy-handling nature of the SIG P322 perfectly.
Pros
- Fast target acquisition with a crisp 3 MOA dot.
- Top-loading battery makes changes easy without removing the optic.
- Auto-brightness mode adjusts to ambient light conditions.
- Fully multi-coated lenses provide excellent optical clarity.
- Rugged aluminum housing built to withstand tough use.
- Easy-to-use brightness controls with 10 levels for day or night use.
- Parallax-free and unlimited eye relief for instinctive shooting.
Cons
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Slightly bulkier than other ultra-compact optics.
3) Trijicon RMR Type 2
The Trijicon RMR Type 2 Adjustable LED Sight stands as one of the most battle-tested red dot sights available—and it’s an excellent fit for precision-focused shooters using the SIG P322. Known for its legendary durability, compact size, and intuitive controls, the RMR Type 2 offers unmatched reliability whether you’re plinking at the range, training, or using it for self-defense.
What sets the RMR Type 2 apart is its patented housing shape, which is engineered to absorb impacts and divert stress away from the lens. This makes it one of the most rugged optics in the market, trusted by military and law enforcement professionals worldwide. It’s ideal for the P322’s lightweight build, giving you a reliable aiming point without sacrificing maneuverability.
This model features a 3.25 MOA red dot, widely regarded as the most versatile option for both close-quarters speed and long-range accuracy. With adjustable brightness controls located on the sides of the sight, you have full control over dot intensity. You can also switch between manual and automatic modes depending on your environment or personal preference. In manual mode, the RMR holds your brightness setting for 16.5 hours before returning to auto mode—ensuring readiness while preserving battery life.
The RMR Type 2 is night vision compatible, making it a serious option for tactical or low-light environments. You can also lock out the controls to prevent accidental changes, ensuring your settings remain intact during use. With proven performance across a wide range of firearms, it’s a premium optic that delivers in every category.
Pros
- Unmatched durability with patented shock-absorbing housing.
- 3.25 MOA dot offers a perfect balance of speed and precision.
- Manual and automatic brightness modes for user flexibility.
- Night vision compatible with multiple brightness levels.
- Compact and lightweight, well-suited for smaller pistols like the P322.
- Lock-out feature prevents accidental button presses.
- Proven reliability in military and law enforcement applications.
Cons
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Higher price point compared to most red dots.
4) Burris FastFire 3
The Burris FastFire 3 is a lightweight, durable, and user-friendly red dot that makes a great match for the SIG P322. Whether you’re new to red dots or looking for an affordable optic that delivers on performance, the FastFire 3 stands out with simplicity and reliability. With options for either a 3 MOA or 8 MOA reticle, it allows shooters to pick between precise aiming or faster target acquisition—ideal for both plinking and practical shooting scenarios.
This sight is built with a lightweight, rugged frame that won’t throw off the balance of your P322. Its low profile makes it suitable for mounting on compact firearms while maintaining a natural feel. Despite its minimal design, the FastFire 3 holds up to recoil and rough handling, ensuring it performs reliably in real-world conditions.
The automatic brightness sensor adjusts the red dot’s intensity based on surrounding light conditions, and if you want more control, there are three manual brightness settings accessible through a single power button. It’s intuitive and quick to operate on the fly. A top-loading battery compartment makes swaps easy—no need to remove the sight or re-zero. Combine that with an automatic shut-off feature, and the FastFire 3 boasts up to five years of battery life.
Waterproof, shockproof, and backed by the Burris Forever Warranty, this optic offers confidence and peace of mind. It’s a great option for those who want red dot capability without the complexity or price of higher-end optics.
Pros
- Lightweight and low-profile—ideal for compact pistols like the P322
- Choice of 3 MOA or 8 MOA dot for precision or speed
- Automatic and manual brightness controls
- Top-loading battery compartment
- Shockproof and waterproof for all-weather reliability
- Backed by the Burris Forever Warranty
- Long battery life with auto shut-off
Cons
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No night vision compatibility
5) Leupold DeltaPoint Pro
The Leupold DeltaPoint Pro is a high-performance red dot sight that blends rugged build quality with elite optical clarity, making it one of the best red dot choices for the SIG P322. Built for serious shooters, it offers a crisp 2.5 MOA dot and is housed in a Dark Earth finish, adding both aesthetic appeal and tactical practicality. Its durable construction is built to handle hard use, and it’s ideal for both training and everyday carry setups.
At the core of the DeltaPoint Pro is Leupold’s Professional-Grade Red Dot Optical System, which delivers outstanding light transmission even in tough conditions. Whether you’re shooting under direct sunlight or in low-light environments, this optic is designed to maintain a clear, glare-free image with edge-to-edge clarity. The illuminated reticle provides fast target acquisition in dim environments, giving you an edge when speed matters.
A standout feature of this sight is its Motion Sensor Technology (MST). The system conserves battery life by automatically deactivating the reticle after five minutes of inactivity, then instantly reactivates it at the slightest movement—ensuring your optic is always ready when you are. Battery life is extended without sacrificing performance.
As with all Leupold optics, the DeltaPoint Pro is designed, machined, and assembled in the USA. It’s fully waterproof, fogproof, and shockproof, and backed by Leupold’s legendary customer care. Its rugged design and premium optics make it a reliable and top-tier companion for the P322 platform.
Pros
- Exceptional clarity and glare reduction under harsh lighting
- Motion Sensor Technology conserves battery and ensures readiness
- 2.5 MOA dot ideal for precision and speed
- Built to withstand weather and recoil—100% waterproof, fogproof, and shockproof
- Easy-to-access top battery compartment
- Sleek Dark Earth finish
- Made in the USA and backed by a trusted warranty
Cons
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Slightly bulkier than some other micro red dots
Factors To Consider When Buying The Best Red Dots for P322
Dot Size and Reticle Clarity
The size of the dot, typically measured in MOA (minutes of angle), impacts how quickly and accurately you can acquire targets. A smaller dot like 2 or 3 MOA is ideal for precision shooting, while larger dots offer faster acquisition at close range. Clarity is just as important—the reticle should appear crisp and well-defined, not blurry or starburst-like, which can strain your eyes and affect aim.
Durability and Build Quality
A red dot sight should be rugged enough to withstand recoil, rough handling, and environmental conditions. Look for optics made from high-grade materials like aircraft aluminum with shockproof and waterproof housing. The better the construction, the more reliable the optic will be during extended range sessions or in adverse weather.
Battery Life and Power Management
Long battery life ensures your red dot is always ready when you need it. Some models can run for thousands of hours on a single battery. Advanced power-saving features, like auto shutoff or motion-sensing activation, help conserve energy and extend the lifespan. These features are especially useful for users who carry their firearm daily.
Brightness Settings and Visibility
Brightness adjustability is essential for adapting to changing lighting conditions. A good red dot sight offers multiple brightness levels and often includes a night vision-compatible setting. Some models include automatic brightness adjustment, which uses ambient light sensors to tailor the reticle intensity for optimal visibility without manual input.
Mounting Compatibility
Not all red dot sights fit all firearms without modification. Ensure the optic uses a footprint compatible with your P322 or includes adapter plates to make it work. A low-profile mount is often preferred to co-witness with factory iron sights, giving you a backup aiming method and a more streamlined setup.
Lens Quality and Optical Coatings
Premium red dot sights use multi-coated lenses to reduce glare, improve light transmission, and enhance overall clarity. These coatings also increase scratch resistance and durability. A wide, clear field of view improves situational awareness and makes it easier to track targets without visual distortion.
Ease of Use and Adjustability
User-friendly controls for brightness, windage, and elevation adjustments can make a huge difference, especially in high-pressure scenarios. Top-loading battery compartments add convenience by allowing battery changes without removing the optic. Tool-less adjustments and tactile feedback are also beneficial for quick and precise tuning.
Weight and Profile
Since the P322 is a lightweight pistol, the red dot you choose should match that balance without adding unnecessary bulk. A compact, lightweight optic helps maintain the pistol’s natural handling and is less likely to snag on gear or holsters. Slim designs also improve aesthetics and concealability for everyday carry.
Best Red Dots for P322 Frequently Asked Questions
1) What MOA dot size is best for the SIG P322?
A 3 MOA dot is generally considered ideal for the P322. It offers a great balance between precision and quick target acquisition. It’s small enough to allow for accurate shots at longer distances, yet large enough to pick up easily during rapid fire or in dynamic shooting drills—perfect for both beginners and experienced shooters using the P322 for training or plinking.
2) Can I mount a red dot sight directly onto the P322 slide?
Yes, the SIG P322 is optics-ready and includes adapter plates for direct slide mounting of compatible red dot sights. However, not all optics share the same footprint, so you’ll want to verify compatibility before purchasing. Common footprints like RMR or Docter/Noblex are more likely to have available mounting solutions for the P322.
3) Will a red dot sight affect the balance or handling of the P322?
Not significantly, as long as you choose a lightweight and compact optic. Red dot sights designed for pistols are typically very light—many weigh around 1 ounce or less—so they won’t throw off the P322’s natural feel. Low-profile designs also help maintain a streamlined silhouette, ideal for both range shooting and holster use.
Conclusion
Choosing the best red dot for your SIG P322 can elevate your shooting experience to a whole new level. These optics enhance accuracy, speed, and target acquisition. Whether you’re training, plinking, or competing, a red dot sight adds value to every shot. The key is to select a sight that balances performance, durability, and ease of use.
Focus on features like a crisp dot reticle, long battery life, and a low-profile design that doesn’t interfere with your iron sights. Build quality is just as important—look for a rugged housing that can withstand recoil and environmental conditions. Compatibility with the P322’s optics-ready slide is essential, so always check the mounting footprint before buying.
Modern red dot sights also offer helpful technologies such as motion activation, adjustable brightness, and parallax-free glass. These additions can make a noticeable difference, especially during fast-paced drills or low-light shooting. For many users, these features are not just nice to have—they’re essential.
Ultimately, the best red dot for the SIG P322 is the one that aligns with your shooting style and needs. By understanding what to look for and how each feature benefits your performance, you’ll be better equipped to make an informed decision. Investing in the right optic will not only improve your aim—it will redefine your entire shooting experience.
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