Athlon Radar Chronograph

The Athlon Rangecraft Velocity Pro — The Smart-Money Doppler Chronograph

Three years ago, putting real Doppler radar on your shooting bench meant spending the price of a decent rifle. Then the Garmin Xero turned up, packed the technology into a box the size of a paperback, and the personal chronograph market quietly grew up overnight. Doppler radar at the bench, no skyscreens to fuss with, no muzzle sensors to mount — just velocity, shot to shot, in your pocket on the drive home.

The Athlon Rangecraft Velocity Pro is the next move in that story. It is a personal Doppler radar chronograph that delivers the same fundamental capability as the Garmin — ±0.1% velocity accuracy, no mounting required, suppressors and muzzle brakes no problem, the same battery life and the same USB-C charging — at $799. That is genuinely a few hundred dollars less than the Garmin’s Australian retail.

Further down this page we have done the head-to-head against the Garmin Xero properly — not in marketing-team language, but with the actual specs side by side, including the points where the Garmin still wins. Both are excellent units. We sell the Athlon because, dollar for dollar, it is the smarter buy for almost every Australian shooter.

Brand new, in stock now at Gun Bar. Doppler radar, 65 to 5,000 FPS, works on rifles, pistols, airguns and archery, free companion app, no subscriptions.

Doppler Radar At The Bench — No Skyscreens, No Mounting, No Drama

If your last chronograph involved aluminium poles, fluorescent diffusers and a wild swing on overcast days — this is the upgrade.

A chronograph measures how fast your projectile is travelling, and for serious shooters — handloaders, competition shooters, hunters confirming a hunting load, airgunners tuning a PCP, archers verifying arrow speed for a sight tape — knowing that number accurately is the foundation of every meaningful ballistic calculation behind it. Drop, drift, energy, hold-offs at distance, retained velocity at the target: all of it starts with one figure on a screen.

For thirty years that figure came from optical chronographs — the sky-screens-on-poles arrangement most shooters know. They work, but the failure modes are familiar: fussy on bright direct sun, fussy on flat overcast, sensitive to angle, easy to shoot a screen if you misjudge the height, and a genuine pain to set up in field conditions. They have been the standard because nothing better was affordable. Until very recently.

The Athlon Rangecraft Velocity Pro is a Doppler radar chronograph. You sit it on the bench next to your firing position, point it at the target, and pull the trigger. The radar tracks the projectile from the muzzle and reports the velocity to a backlit display in real time. Nothing touches your barrel. No screens to shoot through. No height to set. Suppressors, muzzle brakes, compensators — none of them matter, because the radar does not rely on muzzle blast to trigger.

Underneath, the Velocity Pro is genuinely accurate — ±0.1% on rifle and pistol velocity, the same headline figure published by every serious Doppler chronograph including the Garmin. It captures and stores the session on-device, displays velocity, standard deviation (SD), extreme spread (ES), kinetic energy (KE) and power factor (PF) live on its 2.4-inch backlit LCD, and syncs to a free companion app on your phone for later review.

The Brutal Head-To-Head — Specs, Not Spin

The Garmin Xero is an excellent unit. So is the Athlon. Here is exactly where each wins.

We are going to do this properly. The Garmin Xero C1 Pro is a very good chronograph — Garmin has earned its reputation by building reliable, well-engineered electronics for decades, and the Xero is a credit to them. We are not going to pretend otherwise. What we are going to do is lay both units out next to each other on the spec sheet, point out the places the marketing copy lies (including some that have been written about the Athlon itself), and let you decide.

Three things up front. Both units use Doppler radar — the technology is the same. Both publish ±0.1% velocity accuracy on rifle and pistol projectiles — the headline figure is the same. And, importantly, both units use physical buttons — neither is a touchscreen. If you have read otherwise, you have read marketing copy that was not paying attention.

Where they actually differ is in four places: price, velocity floor, weight and water rating. Two of those favour the Athlon decisively; two favour the Garmin slightly. Here is the table.

Where the Athlon wins decisively. Price — not by a small margin. At $799 the Velocity Pro is materially cheaper than the Garmin’s Australian retail. Velocity floor — the Athlon measures down to 65 FPS, the Garmin starts at 100 FPS. That sounds like a small thing until you are trying to chrono a traditional bow, a low-velocity arrow off a recurve, or a deliberately tuned-down PCP airgun and the Garmin will not see the shot. Dedicated airgun mode — a small but real edge for anyone who shoots PCPs. And local retailer presence — one of us answers the phone in Queensland.

Where the Garmin wins. Weight — 105.6g against the Athlon’s 133g. That is 28g, or about the mass of a single 9mm cartridge. For bench-top work it does not matter; for the shooter who throws a chrono into the jacket pocket on a walk-up day, it might. And water rating — Garmin publishes a documented IPX7 rating (submersion to 1m for 30 minutes); Athlon is splash-resistant but does not publish a specific IP figure. If your bench gets caught in a downpour, the Garmin has the certificate. The other thing the Garmin brings is its track record — it has been in shooters’ hands longer, and that consistency is real. The Athlon Velocity Pro is newer, but the early reliability reports from serious testers have been excellent.

Where the two are honestly tied. Accuracy on rifles and pistols. Doppler radar approach. Suppressor and muzzle brake compatibility. Battery life. USB-C charging. Physical-button interface. Free, no-subscription app. Both also do live readouts on the device for velocity, SD, ES, KE and PF.

So — the honest verdict. If you are buying a personal Doppler chronograph and you already own a paddock of Garmin products and want it all in one ecosystem, buy the Garmin. If you want a chronograph that does exactly the same fundamental job, in the same fundamental way, with the same accuracy figure on the spec sheet, for several hundred dollars less, and you do not mind giving up 28 grams and a published IPX7 sticker — buy the Athlon. For almost every Australian shooter we deal with, the Athlon is the smarter buy. We sell it because of that, not in spite of it.

One Chronograph, Five Modes — If It Flies, It Reads

From a 12 FPS arrow off a recurve to a 4,500 FPS varmint round — one box, one workflow.

The Velocity Pro covers five dedicated modes — each tuned for the projectile signature it is reading — with a velocity envelope that runs from 65 FPS to 5,000 FPS. That captures effectively every legal projectile a Gun Bar customer is likely to chrono.

Every mode pushes live data to the display — velocity, standard deviation (SD), extreme spread (ES), kinetic energy (KE), power factor (PF) — and saves the session for review in the companion app afterwards. No skyscreens, no muzzle sensors, no setup pole gymnastics, no shot-the-screen mistakes. Sit it on the bench, pick the mode, fire.

Free, No Subscriptions — Your Data, Your Phone

The shot data lives on the unit. The review and the load notes live on your phone.

The Velocity Pro pairs with the free Athlon Ballistics Lite companion app on iOS and Android. Sessions transfer from the unit to the app over the wireless connection, and from there you can review your strings, tag them with rifle and load details, add notes about wind and conditions, and revisit your data months later when you are working up the next load or trying to remember what muzzle velocity you actually got at 38°C last summer.

Free, in the sense that genuinely free things are free — no subscription, no premium tier, no monthly fee to unlock the second standard deviation. You buy the chronograph; the app comes with it; the data is yours.

What You Are Getting For $799

The full feature set on one box, ready to use the moment it comes out of the case.

Athlon Rangecraft Velocity Pro — Full Specifications

The full published specification of the Velocity Pro — confirm anything critical to your purchase with the Gun Bar team before ordering.

Five Shooters Who Should Own A Velocity Pro

If you find yourself in any of these, the chronograph pays for itself fast.

Athlon Rangecraft Velocity Pro — Common Questions

Quick answers to the questions we hear most. Anything not covered? Call the team on 1800 GUNBAR.