Expert consensus comparison
Bushnell A1-Slope vs Callaway 300 Pro
Bushnell value laser versus the cheaper slope workhorse.
Bushnell Bushnell A1-Slope 8.3GolfTested score 
Callaway Callaway 300 Pro Rangefinder 8.4GolfTested score Callaway 300 Pro Rangefinder scores 0.1 higher overall. Bushnell A1-Slope leads 1 of 4 metrics, Callaway 300 Pro Rangefinder leads 3. This is not presented as a GolfTested lab head-to-head.
Bushnell A1-Slope
Bushnell's smallest and least expensive slope laser: pocket-sized, accurate, and fast — the easiest way to get Bushnell quality without Tour pricing.
Golfers who want a compact, accurate Bushnell slope laser at the lowest Bushnell price.
You want premium optics and a dual-color display (Tour V7 Shift) or GPS maps (Garmin Z82).
See today's price at Amazon.
- Live price and stock on the listing
- Scored on the GolfTested rubric, not by the retailer
Links to Amazon may earn GolfTested a commission. It never changes a score.
Callaway 300 Pro Rangefinder
A strong value laser with slope, pin-lock vibration, and a useful external tournament switch for golfers who want fast yardages without an app.
Golfers who want a reliable laser workflow with slope and pin lock at a sensible price.
You prefer GPS maps, need a compact premium body, or want a connected device that stores every shot.
See today's price at Amazon.
- Live price and stock on the listing
- Scored on the GolfTested rubric, not by the retailer
Links to Amazon may earn GolfTested a commission. It never changes a score.
Scorecard
Where the scores split
Gold marks the higher score in each row. Prices are brand-direct where we have checked them; Amazon prices are never printed.
Bushnell A1-Slope
- Bushnell's smallest laser, under 150g and under 4 inches long
- Accurate, repeatable readings in about a second
- Slope with an easy switch for tournament play
- Rechargeable, with Bushnell claiming 50+ rounds per charge
- 350-yard flag range is shorter than premium models
- 6x magnification rather than 7x
- No GPS, wind, or display color upgrades
- Small size may feel less stable for some hands
Callaway 300 Pro Rangefinder
- Slope calculation can be switched off with a visible external control for tournament rounds
- 6x magnification and pin-lock vibration make the basic workflow quick to learn
- Magnetic cart mounting keeps the unit close without adding another phone app
- Current street pricing makes the feature set easier to recommend than premium lasers
- Small targets and busy backgrounds can still require a second try
- Slope-adjusted numbers are useful for practice but must be disabled when the rules require it
- No course maps, shot history, or connected-club ecosystem
- The older design is less polished than the newest premium rangefinders