300 Pro Golf Laser Rangefinder

Tournament-Legal Precision with Magnahold Cart Integration and Pulse Feedback

Full manufacturer title

Callaway 300 Pro Golf Laser Rangefinder (with External Slope Switch) Red 300 Pro Slope

Member of The 90+ Clubscored 90+ out of 100

Typical price

$170

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Callaway 300 Pro Golf Laser Rangefinder (with External Slope Switch) Red 300 Pro Slope image 1

Ravvy verdict

93.5 / 100

Buy the Callaway 300 Pro if you want a fast, magnetic rangefinder with a physical slope toggle, accepting that the plastic build feels less premium than metal rivals.

Best for: serious amateurs and club players who want tournament-legal slope functionality
Buy it if: You want external slope switch ensures tournament legality.
Skip it if: You prefer GPS watch convenience over laser optics.
Best alternative: Callaway Golf Supersoft 2025 Golf Balls White (moderate swing speed players and recreational golfers seeking maximum comfort)

How it scores on what matters

Portability95.0
Accuracy94.5
Feature Set93.5
Speed of Lock91.0
Optic Clarity88.0

Ravvy factor scores, 0 to 100, derived from specs, owner reviews and category norms.

What it is

The Callaway 300 Pro balances professional-grade features with an accessible price point, making it one of the most popular optics on the course. Its standout feature is the external slope switch, which provides a physical indicator that the device is in a tournament-legal mode. The 6x magnification and Pin Acquisition Technology work together to isolate the flagstick from background clutter like trees or mounds, providing a vibrating pulse to confirm you have the right target. Beyond just optics, this unit is designed for the flow of a modern round. The integrated Magnahold magnet is powerful enough to stick to the metal frame of a golf cart, keeping the device within reach rather than buried in a bag pocket. While the plastic casing is lightweight, it carries an IPX4 waterproof rating, meaning it can handle a sudden downpour without internal fogging or electronic failure. It is a reliable workhorse for golfers who want exact yardages without the premium price of high-end boutique brands.

Ravvy AI insight

The external slope toggle is the key selling point here because it eliminates any doubt about tournament compliance during competitive play. While the 1000 yard total range is impressive, the pin-locking capability tops out at 300 yards, which is the more relevant metric for actual scoring. Users should regularly clean the lens to maintain the pulse response speed as debris can occasionally confuse the sensor.

Generated from owner feedback, product specs, pricing, and retailer data. Last updated Aug 24, 2026.

What owners praise

External slope switch ensures tournament legality
Strong Magnahold magnet sticks securely to cart frames
Pulse vibration confirms successful pin lock
IPX4 water resistance protects against rain
Includes a high-quality molded hard carry case
Highly accurate slope-adjusted distance calculations

What to know first

Pin locking is limited to 300 yards
Plastic body lacks a high-end weighted feel
Battery door can be difficult to open without a tool

Specifications

UPC: 689769701467 689769701160
GTIN: 689769701467 689769701160
Brand: Callaway
Color: Red
Sport: Golf
Material: Plastic
Brand Name: Callaway
Sport Type: Golf
Unit Count: 1 Count
Item Weight: 8 ounces
Manufacturer: Izzo Golf, Inc.
Model Number: 300 Pro
Material Type: Plastic
Item Type Name: Golf Laser Rangefinder
Measuring Range: 5-1000 yards
Battery Description: Lithium
Included Components: Case, Lens Cloth, Quick Start guide, Rangefinder
Warranty Description: See manufacturer's website for warranty details.
Magnification Maximum: 6 x
Water Resistance Level: Waterproof
Manufacturer Part Number: C70146
Item Dimensions L x W x H: 4"L x 2.7"W x 1.4"H
Global Trade Identification Number: 00689769701467

How to get the most out of it

Locking the Pin

When aiming, start by scanning the area behind the flag and then move the reticle over the pin. The P.A.T. software is designed to recognize the closer object and will vibrate once it successfully ignores the background.

Ownership tips

tip

Use the Magnet Wisely

Always mount the rangefinder on the inside of the cart pillar. This prevents the unit from being knocked off by low-hanging branches or during bumpy transitions between the path and the fairway.

care

Lens Maintenance

Only use the included microfiber cloth or a dedicated lens pen to clean the glass. Avoid using your shirt or paper towels, as these can leave micro-scratches that degrade the 6x magnification clarity over time.

Frequently asked questions

Is the Callaway 300 Pro legal for tournament play?

Yes, it is legal as long as the slope function is turned off. The external switch makes it easy for playing partners and officials to see that you are not using prohibited slope data during a competitive round.

How do I switch between yards and meters?

You can toggle the unit of measurement by holding down the mode button for several seconds. The display will update instantly to reflect your preference, and the device will remember this setting for your next round.

Does it come with a battery?

Units sold in the United States typically include a CR2 3V lithium battery in the box. It is recommended to keep a spare in your golf bag as these specialized batteries are rarely available at the clubhouse snack bar.

What is the maximum distance it can measure?

The device can measure large reflective objects up to 1000 yards away. However, for specific targets like a golf flagstick, the Pin Acquisition Technology is most effective at distances up to 300 yards.

Where can you buy the 300 Pro Golf Laser Rangefinder?

300 Pro Golf Laser Rangefinder is sold through Amazon, and Callaway also lists it through its own site and major retail partners. The buy link on this page goes straight to the current Amazon listing, which is where stock and pricing update most often.

How much does the 300 Pro Golf Laser Rangefinder cost?

The last price Ravvy recorded was $170. Retail pricing on golf moves with promotions and stock, so treat that figure as a reference point and check the live listing before you buy.

How do you get the 300 Pro Golf Laser Rangefinder for a cheaper price?

Three tactics work best: watch for holiday and seasonal sale events when golf discounts run deepest, compare the open box or renewed listing against new stock, and check whether Callaway is running a coupon or bundle. Adding the product to your Ravvy wishlist keeps it handy so you can revisit the listing when prices drop.

Is the 300 Pro Golf Laser Rangefinder in stock right now?

It was in stock at our last check. Availability on popular golf can change within hours, so the live listing is the source of truth.

Is the 300 Pro Golf Laser Rangefinder worth it?

Ravvy scores it 93.5 out of 100. The strongest argument for it is external slope switch ensures tournament legality. The trade off to weigh is pin locking is limited to 300 yards.

Who should buy the 300 Pro Golf Laser Rangefinder?

It fits serious amateurs and club players who want tournament-legal slope functionality If that does not describe your situation, compare it with the other options in Golf before committing.

What are the key specs of the 300 Pro Golf Laser Rangefinder?

UPC: 689769701467 689769701160. ASIN: B01KP195PY. GTIN: 689769701467 689769701160. Brand: Callaway.

What are good alternatives to the 300 Pro Golf Laser Rangefinder?

Compare it against the other scored picks in Golf on Ravvy. We rank every option in that group by the same criteria, so you can see which model wins on value, quality, and owner sentiment before you decide.

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