Bushnell A1-Slope vs Nikon COOLSHOT 40i GII

The Quick Verdict

These two land at the same tier but come at the problem differently. The Bushnell A1-Slope is built around being small and rechargeable — it's genuinely the most pocketable Bushnell ever made. The Nikon COOLSHOT 40i GII is built around accuracy and a warranty that's hard to ignore at this price. If you want a grab-and-go rechargeable with a magnet mount, get the Bushnell. If you want the tighter accuracy number and a five-year warranty for $50 less, get the Nikon.

What They Have in Common

Both are 6x magnification, both have slope with a legal-play switch, both weigh under 6 oz, and both will read a flag accurately enough that the only variable left is you. Water resistance is solid on each — IPX6 on the Bushnell, IPX4-equivalent on the Nikon. Either one handles a wet morning round without drama.

Where They Differ

Form Factor and How You Carry It

The Bushnell A1-Slope is small. At 3.75 × 1.42 × 2.36 inches, it's noticeably narrower than most rangefinders — it slips into a shorts pocket without the usual bulge. The BITE magnetic skin is built in, so it snaps right onto a cart rail. That's a legitimate convenience if you ride. The Nikon COOLSHOT 40i GII is still compact but runs closer to standard rangefinder dimensions. Nothing wrong with it, just not the same "where did that go?" small.

If you're always on a cart and like the magnet habit, the Bushnell's form factor is a genuine differentiator.

Battery: Rechargeable vs. CR2

Here's a real split in philosophy. The Bushnell runs USB-C rechargeable — 50+ rounds per charge, which is a long time between plug-ins for most golfers. Convenient, and one fewer battery type to track.

The Nikon takes a CR2 lithium. CR2 batteries are at every pharmacy and most pro shops, which matters if you're mid-round and the battery dies unexpectedly. You can have a spare in your bag for under $5. With the Bushnell, a dead battery means finding a USB-C cable and waiting — not a problem if you're disciplined about charging, but it's a dependency. Neither approach is clearly better; it's about which failure mode bothers you more.

Accuracy and Optics

The Nikon COOLSHOT 40i GII claims ±0.75 yard accuracy. The Bushnell A1-Slope is rated ±1 yard. Both are honest-enough numbers that the difference won't change where you're aiming, but the Nikon has a real edge on paper. Nikon also lists flag acquisition up to 500 yards versus 350+ on the Bushnell, and the maximum range runs to 1,600 yards versus 1,300. For most golfers, none of those extended numbers matter — you're lasing a par-4, not a par-5 on a 600-yard monster. But the Nikon's Hyper Read feature is designed for fast target acquisition, which is noticeable when you're in a group and don't want to hold everyone up on the tee.

Warranty

The Nikon COOLSHOT 40i GII comes with a five-year warranty. The Bushnell A1-Slope's warranty isn't listed in the specs, and Bushnell's standard coverage is typically two years — but I don't work at Bushnell, so confirm before you buy. Five years is meaningful on a $250 device. That's two-plus product cycles, and it signals Nikon's confidence in the hardware.

Who Should Buy Which

Get the Bushnell A1-Slope if:

• You ride a cart almost every round and want a rangefinder that lives on the rail between shots — the BITE magnet is genuinely useful for this
• You've lost or broken a CR2 battery at the worst possible moment and want to eliminate that variable entirely
• You're drawn to the smallest form factor available in Bushnell's lineup and that pocket-friendliness is a real priority
• You're the golfer who charges everything overnight and will never leave the house without a full battery

Get the Nikon COOLSHOT 40i GII if:

• You're the 12-handicap who's lost two rangefinders in three years and wants a five-year warranty as actual insurance, not just a box-check
• You want the tightest accuracy spec in the category and $50 of savings at the same time — that combination is hard to argue with
• You play enough early-morning rounds in wet conditions that a spare CR2 in your bag feels more reliable than hoping you remembered to charge
• You want extended flag range (up to 500 yards) for courses with long par-5s where the flag is genuinely far

The Bottom Line

The $50 price gap is real — that's a sleeve of Pro V1s — and the Nikon spends it on better accuracy specs and a five-year warranty. The Bushnell earns its higher price on form factor and the convenience of USB-C charging. These are genuinely close, and if the Bushnell's magnet mount and compact size are things you'd actually use, the extra $50 is defensible. But if you're buying on value-per-dollar, the Nikon wins without much debate.

Get the Nikon COOLSHOT 40i GII.

See Also

• Bushnell A1-Slope vs Leupold GX-5c
• Bushnell A1-Slope vs Shot Scope PRO X
• Bushnell Tour V6 vs Nikon COOLSHOT 40i GII
• Nikon COOLSHOT 40i GII vs Nikon COOLSHOT 50i GII
• Nikon COOLSHOT 40i GII vs Shot Scope PRO ZR