5 Best Chronograph for CO2 Air Rifle

Best Chronograph for CO2 Air Rifle combine precision, quiet operation, and ease of use to deliver reliable performance in any setting—whether you’re tuning your rifle in the backyard or testing indoors. CO2 air rifles operate at subsonic speeds and often in environments where lighting and noise must be controlled, making it essential to choose a chronograph specifically suited for their unique demands. From advanced radar-based units to compact Bluetooth-enabled models, the right chronograph can help you accurately measure velocity, calculate muzzle energy, and optimize your shooting setup with confidence.

Best Chronograph for CO2 Air Rifle

1. Generic “Eyes.sys” or “SC2000” Budget Chronographs

The Eyes.sys / SC2000 Budget Chronograph stands out as an excellent entry-level option. Designed for measuring projectile acceleration and velocity, this compact unit is widely used by hobbyists and educators alike. It’s ideal for individual users who want to track the speed and performance of BBs, pellets, darts, and other projectiles, helping to ensure both accuracy and safety during recreational shooting or experimental work.

Despite its low cost, the SC2000 chronograph delivers impressive performance, offering a broad measuring range of 1–2000 m/s (5–6500 FPS) with an accuracy of less than 1%. That makes it more than capable of handling the speed ranges of most CO₂-powered airguns and other shooting toys. The setup is simple, with an included tripod and a clearly marked light strip (which must face downward for proper function). Powered by four AA batteries (not included), the device is lightweight and portable, weighing just 436g (0.96 lbs) — great for backyard testing or field use.

It’s also frequently used in scientific and educational settings, making it a versatile tool beyond just airgun enthusiasts. Users are advised to wear proper safety gear when testing high-speed projectiles and to follow the setup instructions carefully to avoid misreads or errors.

 Key Specifications

• Voltage: DC 6V

• Power Supply: 4 × AA batteries (not included)

• Measuring Range: 1–2000 m/s (5–6500 FPS)

• Accuracy: <1%

• Working Temperature: -30℃ to +60℃

• Weight: 436g (0.96 lb)

 Pros

• Very affordable price point

• Broad speed measurement range supports air rifles and more

• Lightweight and portable

• Comes with a tripod and instruction manual

• Useful in both recreational and educational settings

 Cons

• Batteries not included

2.Caldwell Ballistic Precision Chronograph

The Caldwell Ballistic Precision Chronograph stands out as one of the best quiet chronographs for air rifles on the market today. Designed for accuracy, ease of use, and versatility across various shooting disciplines, this model is a favorite among recreational shooters, competitive marksmen, and serious airgun enthusiasts. With factory-calibrated precision and reliable real-world performance, this chronograph makes velocity testing simple and accessible—whether you’re in your backyard or at the range.

Specifications

• Accuracy: Factory calibrated to within ±0.25%

• Velocity Range: 5 – 9,999 Feet per Second (FPS)

• Measurement Units: Meters per Second (MPS) and FPS

• Compatibility: Firearms, airguns, paintball markers, and archery equipment

• Display: Large LCD for clear readings

• Light Screens: Wide sunshades for outdoor readability

• iOS Support: Requires Lightning to 3.5mm adapter for iPhone 7 and newer (sold separately)

• App Integration: Works with Caldwell mobile app for data tracking (iOS/Android)

Pros

•  Quiet Operation – Ideal for CO2 and PCP air rifles; does not emit sound during measurement.

•  Excellent Accuracy – Factory calibrated within ±0.25% for consistent, professional-grade performance.

•  Dual Measurement Modes – Supports both MPS and FPS, making it useful for a global range of shooters.

•  Multi-Discipline Use – Versatile enough for firearms, bows, air rifles, and paintball setups.

•  Outdoor Ready – Wide sunshades improve sensor visibility and accuracy in bright sunlight.

•  Easy-to-Read Display – Large LCD screen shows real-time velocity data clearly.

•  Mobile App Support – Pair with smartphone for expanded data tracking and velocity logs.

Cons

•  iPhone Adapter Required – Lightning to 3.5mm jack needed for newer iPhones (sold separately).

3.MagnetoSpeed V3 Ballistic Chronograph

The MagnetoSpeed V3 Ballistic Chronograph is one of the best investments you can make. Unlike conventional “shoot-through” chronographs that are often affected by lighting conditions, shadows, or muzzle blast interference, the MagnetoSpeed V3 uses patented electromagnetic sensors that mount directly to the barrel or suppressor. This design provides highly accurate velocity measurements without being sensitive to external environmental factors like sunlight, wind, or background interference.

Ideal for both firearms and air-powered weapons, including CO₂ air rifles, the V3 kit includes everything needed to get started: the redesigned bayonet sensor, spacers, and a versatile mounting system. The bayonet can be adjusted precisely using included spacers to ensure the projectile passes just above the sensors. Each sensor detects the bullet’s magnetic disruption and calculates the time of flight with +/- 0.005-inch calibration, delivering exceptionally precise velocity readings.

The V3 also offers advanced features like Rapid Mode, which captures rate-of-fire, and supports airgun shooting modes. The intuitive digital display unit has advanced data logging and a user-friendly interface, making it ideal for both casual and competitive shooters. While originally designed for firearms, its sensitivity and updated modes make it a favorite among high-end air rifle users seeking reliability and consistency.

 Key Specifications:

• Sensor Type: Electromagnetic (barrel-mounted)

• Compatible Barrel Sizes: ½ inch to 2 inches diameter

• Muzzle Device Support: Up to 3″ muzzle brakes or flash hiders

• Data Features: Velocity tracking, shot logging, rate-of-fire

• Display: Improved LCD with menu navigation and Rapid Mode

• Power Supply: 9V battery (included)

• Mounting: Strap-based; optional Picatinny adapter sold separately

• Kit Includes: Bayonet sensor, display unit, spacers, cables, storage case

 Pros:

• Extremely accurate velocity measurements

• Not affected by lighting or weather conditions

• Ideal for CO₂ air rifles and firearms alike

• Easy to set up with a secure barrel mount

• Advanced data logging and Rapid Mode for rate-of-fire

• Durable case and complete kit for portability

Cons:

• Premium price compared to traditional chronographs

4. ACETECH AC6000MKIII

The ACETECH AC6000MKIII is an outstanding choice for airgun and airsoft enthusiasts seeking a quiet, precise, and easy-to-use chronograph for testing and tuning. Engineered with user-friendly features and modern connectivity, this chronograph offers excellent performance in a compact form, making it one of the best quiet chronographs for CO2 and PCP air rifles.

Building on the success of its predecessors, the AC6000MKIII delivers accurate BB velocity measurements, supports Bluetooth connectivity for mobile access, and features a high-visibility display that’s readable even in bright light. Its radar-based operation ensures silent measurement—ideal for indoor or backyard shooting where noise and setup complexity need to be minimal. Withintuitive controls, real-time energy stats, and power-efficiency notifications, this chronograph is a great tool for casual and professional shooters alike.

Specifications

• Model: ACETECH AC6000MKIII

• Measurement Technology: Infrared optical sensor

• Velocity Range: Suitable for airsoft, CO2 airguns, and BB guns

• Display: High-visibility backlit screen

• Controls: Simple buttons with intuitive user interface

• Connectivity: Bluetooth support (iOS & Android app)

• Notifications: Power efficiency alerts

• Construction: Durable build for field or bench use

• Power Source: Battery powered (specifics vary by seller)

Pros

•  Quiet Testing – No moving parts or sensors triggered by sound; perfect for CO2 and airsoft use in quiet environments.

•  Bluetooth Connectivity – Syncs with mobile devices for real-time data tracking and extended functionality through the app.

•  Easy-to-Read Display – Bright, high-contrast screen for clear visibility indoors or out.

•  Simple Interface – Easy setup with intuitive controls and fast menu navigation.

•  Power-Efficient Operation – On-screen notifications help manage battery life efficiently.

•  Reliable Accuracy – Suitable for tuning air rifles and confirming FPS limits with consistency.

•  Versatile Use – Works well with a variety of BB and airgun platforms.

Cons

•  Batteries Not Always Included – Battery requirements may vary and are often sold separately.

5.ProChrono DLX Ballistic Chronograph

The ProChrono DLX Ballistic Chronograph stands tall as one of the best chronographs for CO2 air rifles and other subsonic shooting platforms. Known for its precise performance and ease of use, this upgraded model is designed with shooters in mind—from weekend hobbyists to competitive marksmen. With a faster shot clock, integrated Bluetooth, and robust build quality, the DLX is a top-tier tool for serious airgun enthusiasts.

Unlike older generation chronographs that require complex lighting setups or cumbersome controls, the ProChrono DLX delivers plug-and-play functionality with an improved internal operating system, multiple memory banks, and a built-in Bluetooth module for seamless pairing with smartphones and tablets. It’s quiet, efficient, and accurate—just what a modern airgunner needs.

Specifications

• Accuracy: ±0.5% or better

• Bluetooth: Built-in, compatible with mobile app for iOS/Android

• Shot Memory: Stores multiple shot strings with statistical data (average, high, low, SD, ES)

• Clock Speed: Faster internal shot clock for enhanced precision

• Design: Updated circuitry and enclosure for improved durability and performance

• Warranty: 2-year warranty with 50% repair cost after that

• Power Source: Operates on a 9V battery (not always included)

• Compatibility: Ideal for CO2/PCP air rifles, paintball, archery, and subsonic firearms

Pros

•  Quiet and Non-Intrusive – No triggering sound or extra noise, making it perfect for indoor or stealth shooting environments.

•  Built-in Bluetooth – Wirelessly connect to your smartphone for live data display, shot tracking, and performance analysis.

• Enhanced Accuracy – Improved shot clock delivers ±0.5% precision or better, ideal for competitive airgun tuning.

•  Advanced Operating System – Full-featured OS with multiple memory banks for tracking and storing multiple shooting sessions.

•  Rugged Build – Updated enclosure and refined internal design ensure long-term durability.

•  App Integration – Compatible with free apps for additional features like graphing, data export, and firmware updates.

•  Warranty Support – 2-year warranty and discounted repairs ensure peace of mind over long-term use.

Cons

•  Battery Not Always Included – Requires a 9V battery, which may need to be purchased separately.

Also read;5 Best Quiet Chronograph for Air Rifle

Factor to Consider when Choosing Best Chronograph for CO2 Air Rifle

1. Quiet Operation

CO2 air rifles are often used in quieter environments such as backyards or indoor ranges. A chronograph that operates silently—without mechanical noises or loud feedback—is crucial for maintaining a discreet setup. Radar-based or optical models that don’t use impact sensors are ideal for this purpose.

2. Accuracy and Consistency

Precision matters when tuning or evaluating performance. Look for chronographs with a margin of error within ±0.5% or better. Consistent readings across multiple shots ensure you’re making informed decisions, especially when adjusting CO2 output or selecting the right BB/pellet weight.

3. Velocity Range Compatibility

CO2 air rifles typically shoot in the subsonic range, so the chronograph should support low-to-mid velocity measurements—generally up to around 1250 fps. Models with too narrow a range may not accommodate all calibers or power levels used in CO2 airguns.

4. Sensor Technology

Chronographs use either optical sensors or radar technology. Optical models need adequate lighting, while radar-based units (like the FX Pocket Chronograph) work in all conditions, including complete darkness. For consistent indoor use, radar chronographs offer a clear advantage.

5. Bluetooth and App Integration

Modern chronographs offer Bluetooth connectivity and smartphone app support, allowing for live data viewing, shot string storage, and analytics like standard deviation and energy output. This adds convenience and depth to your shooting sessions, especially when fine-tuning air rifles.

6. Display Readability

A clear, backlit display makes it easy to check data in real time. High-visibility screens are especially useful when shooting outdoors in bright sunlight or low-light indoor environments. Easy-to-read data helps prevent misreading results and improves usability.

7. Portability and Mounting Options

Compact, lightweight chronographs are easier to set up and transport. Look for models that include multiple mounting options, such as bracket mounts or Picatinny rails. Portable units like the FX V2 are excellent for use directly on your rifle or on a shooting bench.

8. Power Source and Battery Life

Consider how the chronograph is powered—rechargeable batteries via USB-C are increasingly common and convenient. If the unit runs on AA or 9V batteries, check if they’re included and assess expected battery life to avoid interruptions during testing sessions

Frequent Asked Question Best Chronograph for CO2 Air Rifle

1. What type of chronograph is best for CO2 air rifles: optical or radar-based?

Radar-based chronographs are often the better choice for CO2 air rifles due to their ability to function in all lighting conditions and their quiet operation. Since CO2 rifles are commonly used in indoor or shaded areas, radar units like the FX Pocket Chronograph V2 provide more consistent and convenient performance. Optical chronographs can be accurate too but may require ideal lighting conditions and more setup effort.

2. Can chronographs measure the energy (Joules or ft-lbs) of my CO2 air rifle?

Yes, many modern chronographs can calculate muzzle energy in Joules or foot-pounds (ft-lbs) by using the projectile weight and measured velocity. Models with Bluetooth and app integration, such as the ACETECH AC6000MKIII or ProChrono DLX, offer automatic energy calculations within their companion apps, making them very user-friendly for tuning your setup.

3. Do I need a chronograph with Bluetooth or mobile app support?

While not essential, Bluetooth and app support significantly enhance the user experience. These features allow you to track shot strings, save rifle profiles, calculate averages and standard deviations, and view results in real time on your smartphone. If you regularly tune your rifle or compare performance across different setups, a Bluetooth-enabled chronograph like the ProChrono DLX or FX Pocket Chronograph V2 is a smart investment.

Conclusion

In conclusion, choosing the best chronograph for a CO2 air rifle comes down to finding a balance between accuracy, quiet operation, and user-friendly features. A good chronograph should deliver consistent performance across various lighting conditions, offer support for lower velocity ranges typical of CO2-powered guns, and ideally include modern conveniences like Bluetooth connectivity and app integration. Portability, clear display visibility, and dependable power options also play key roles in ensuring a smooth and efficient testing experience. By considering these essential factors, shooters can make an informed decision and select a chronograph that enhances their precision, tuning capabilities, and overall shooting satisfaction.