Leupold GX-4i2 Review

‘Leupold GX-4i2 (Slope)’

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The Leupold GX-4i2 brings something completely new to the table in the world of laser golf rangefinders. It’s the first one to have Slope that can be legally (in the USGA sense) “turned off” with the included chrome Smartkey faceplate.

Leupold GX-4i2 (Slope) User Rating:
4.32 Stars 4.32 out of 5 (53 reviews)

Score compiled from multiple sources.

The truth is that most golfers who are likely to use a laser rangefinder, are also likely to play in events that would deem a rangefinder with Slope illegal for competition. That keeps many of us from buying a rangefinder with Slope and causes some of us to have one of each. The Leupold GX-4i2 solves the problem and throws in some extra bells and whistle that will thrill the truest of golf geeks among us.

Leupold GX-4i2Notable Features
  • True Golf Range (TGR) – Uses elevation, altitude, temperature, and other atmospheric conditions to estimate a “plays like” distance.
  • Club Selector – makes club recommendations based on the True Golf Range (TGR) of your shot and the distances you have previously entered for your 8, 6 and 4 irons.
  • Weatherproof – Not only is it durable and waterproof, it has Fog Mode that will improve accuracy when you play in foggy conditions.
  • PinHunter 2™ – filters out background images and makes zeroing-in on the target faster and easier.
  • Prism Lock – combined with PinHunter 2 makes “locking on” faster than ever before. You get an audible tone when the rangefinder finds the prism, and the distance is immediately displayed.
  • Scan Mode – provides multiple readings in one quick sweep, just hold down the Power button and the display will continuously update with accurate line-of-site measurments.
  • Chrome faceplate – disables True Golf Range and Club Selector features making the GX-4i² “legal” under the rules of golf (per USGA Rule 14-3/0.5).

There are not a huge number of reviews yet, but most users love this rangefinder. The few who did not seemed to struggle with locking onto the correct target. That is the age-old problem with laser rangefinders, while they work well for most golfers, a few will have a hard time holding it steady enough to do a good job.

Leupold GX-4i2 Specifications

Model Leupold GX-4i2 (Slope)
Type laser
Slope both
Vibration y
Height 3 in.
Width 1.4 in.
Depth 4.2 in.
Weight 7.9 oz.
Battery CR2 Lithium
Battery Life 6000+ actuations
Display red OLED
Rainproof Yes
Magnification 6X
Maximum Range 800
Minimum Range N/A
Notes * as long as the yellow faceplate is not in use, this rangefinder is legal.
USGA Compliant (local rule) Yes, when the silver faceplate is attached.
GolfRangefinderShop.com Summary
This model used to be worth the extra money, but now it has some competition and the price is just too high to justify in most cases. We only recommend this model to those who want both the easy to read red numbers AND the ability to factor in temperature and altitude for “plays like” distance when Slope is active. Otherwise, the Bushnell Tour X will give you the red numbers OR the Leupold GX-2i2 will handle the “plays like” distance. Both of those models have Slope that can be turned off to conform with the USGA local rule.
We work very hard to obtain the correct information about product features, but cannot make any guarantees about the accuracy. Please double check with the merchant or manufacturer before making a purchase.

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