Athlon Optics Rangecraft Velocity Pro Radar Chronograph w/ 2.4" Display, Bluetooth Connectivity with App for Real-Time Projectile Speed Readings (for Any Firearm, Airgun, or Archery)
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Extended holiday returns
FREE refund/replacement until Jan 31, 2026 Learn more
FREE refund/replacement until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Friday, Jan 2
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Features
- DOPPLER RADAR PRECISION: Get incredibly accurate data without touching your barrel. Using Doppler radar, the Velocity Pro measures speeds from 65 to 5,000 FPS with +/- 0.1% accuracy. Because it sits beside your firearm, not on it, your barrel harmonics and zero are never compromised. Its the smart, non-invasive way to gather critical performance data.
- ADVANCED SESSION MANAGEMENT: All your data, right at your fingertips. The device stores up to 50 sessions with 100 shots each. On-screen, you can instantly view average velocity, standard deviation, extreme spread, and more. For a bad shot, simply hold the "DEL" button to remove it from your string without stopping.
- SEAMLESS APP INTEGRATION: Unlock your datas full potential. Connect via Bluetooth to the Athlon Ballistics Lite app (compatible with both Android and iPhone) to sync all your sessions. In the app, you can manage and modify your data, exclude shots from calculations, rename sessions, and associate data with specific rifle and bullet profiles for detailed sorting and filtering.
- BUILT FOR THE FIELD: Compact, rugged, and ready for anything. The Velocity Pro weighs a mere 4.7 ounces and is IP67 waterproof. Its large 2.4" LCD screen ensures you can read your results clearly in any condition.
- INTUITIVE & VERSATILE OPERATION: Spend your time shooting, not setting up. With a simple interface, you can quickly start a new session for rifles, pistols, archery, or air guns. When creating a "New Session," you can enter projectile weight to automatically calculate Kinetic Energy and Power Factor for your records.
Item Package Dimensions L x W x H: 6.22 x 5.67 x 2.99 inches
Package Weight: 0.52 Kilograms
Item Dimensions LxWxH: 7.77 x 7.77 x 7.77 inches
Brand Name: Athlon Optics
Warranty Description: See Manufacturer Website
Model Name: 707301-Athlon
Color: black
Material: See Description
Suggested Users: unisex-adult
Number of Items: 1
Manufacturer: Athlon Optics
Part Number: 707301
Model Year: 2025
Included Components: See Description
Date First Available: March 7, 2025
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, Jan 2
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Oh my word, how did I ever live without this! It seems accurate (... I don't have lab eqpt to acutally test, but values and variance between changes in load suggest to me it is). It is SOOOOO much easier to use than other systems I've used (shoot over, shoot through, magento thingie....). Set it on the table, turn it on, BOOM - fire rifle. Put it on a tripod and shoot a pistol over it and it's good there too. It misses very few shots (unlike other chono systems...) and has only missed when I don't get it pointed down-range well. I can't say how it does with someone right next to you, but I shot the other day down a 30yd range with someone about 10-12 feet to my right and it got my shots but not his - nice! It does a good job storing data and it's easy to retrieve them. I have not pushed the battery with a marathon session, but I've taken it to the range about 6-8 times for 2-5hr each time (NOT full running time - I turn it off to reset targets, reload mags, etc.) Until I figured out the phone thing, I was then copying down data for 20-30 min each of those range sessions. After all that, battery still says 75%. These "little" uses are easier on batteries, for sure, so it might drain faster if used hard for hours straight... but I have confidence if I topped it off, it'd run solid for as long as I'd shoot in any given day! One thing I did not see when I bought it was that if you get the app for your phone, you can EASILY download and view on phone. That makes it so much easier to record info back at home - it syncs in like 1-2 sec, and I can scroll up and down looking over data, giving names to strings of shots, seeing graphs, etc. You can even export it on your phone as a spreadsheet and I guess you could put it in the cloud and grab to your PC if you want... I don't bother. The app actually does far more than sync and download data though... it's a nice little ballistics calculator that lets you use the data, your REAL velocity data, to calculate sighting adjustments. For instance, I can put in details about my Ruger M77 - barrel length, twist, etc. Then add a load, say a 55grHornady FMJ (putting in details about bullet, like ballistic coeff, etc) over XXXgr of XXX powder. Add a few more details like zero point and then link the velocities from the range ... now you have a rifle - bullet pair you can use. You can put in multiple rifles each with multiple loads. Then you can select a rifle + bullet, and then add conditions, such as temp, wind, angle to target, etc .... and it will not only give a ballistic table, it will show hold-over. To take it a step further, it gives visuals as it would appear ON YOUR SCOPE if you have an athlon scope (... which I do happen to have...). If you don't have Athlon scope, it still gives you MOA/MIL (or you can pick one similar to your scope) so no problem. End result is, I see exactly where to hold on the reticle ON the actual target (you can pick from targets like a deer, a coyote, prairie dog, bullseye etc.) given set conditions with set rifle-load combo at a given range. So yeah, it's an awesome tool by itself BUT this shooting 'ecosystem' you can get/use with the FREE app makes it so much more usefui (and fun to tinker with...) than I ever expected. SUCH a cool system! If it sounds like I'm a paid advertisement - it's not!! I bought it, without a discount, on my own. I just love this thing THAT much. Yeah, it's expensive, but it is SOOOOO nice, so easy to use. It saves me time, makes my life better when shooting, and makes me a little bit happier when I'm at the range! ... if only everything did that! Negatives? Well, with the unit, none really. It was easy to figure out, easy to operate, does a great job, seamlessly fits into my shooting sessions... it's great. THe app has great features, but isn't particularly smooth, though. It took a couple tries to get it paired to my phone. It tried to replace/remove my car as a Bluetooth device (???!), then for a while it self-identified as a Ford Mustang ... whatever floats your boat these days, I guess. It works fine whatever it thinks it is. It's not the most intuitive to add rifles, loads, etc, though once you figure out the quirks it is very usable. I did have an issue when i did a firmware update where it messed up dates (even though date was set correctly in the unit) and as a result was not syncing data. I deleted all shot data in the device (but NOT rifles and bullets/loads as mentioned above) and it's worked fine since. I guess when I update firmware I'll just plan to delete/clear out the shot registers. Fortunately it has not forced firmware updates - i have to go in and ask it to check. I like that :)
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Reviewed in the United States on November 19, 2025 by Seul
I bought this to replace a 5 year old Caldwell chronograph. The old unit took a bit to set up and frequently missed readings or gave unusually high readings (like 4000 fps). I took the Athlon chronograph to the range today to complete some step tests in developing some 9mm loads. The chronograph was extremely easy to set up. I did buy a 60” tripod for this just to make it easier. The chronograph worked flawlessly. I timed 82 shots and recorded velocities (and other data) for every shot. No issues, no unreasonable readings or missed shots. The readings seemed much more consistent and even for load development, the standard deviations were much better. The radar seems to be much more reliable and accurate. The SD for initial loads, which are typical higher, ranged from 22.1 to 24.0 fps. Best SDs were 6.9 and 8.6 fps. This was for 10 shot strings. The Athlon chronograph is easy to use. I read the manual, went to the range and used it without issue. It is a huge improvement in technology over the Caldwell unit. Yes, it is a lot more expensive, but if you hand load and develop multiple loads for multiple calibers, bullet weights, powders, etc, it is worth the cost.
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Reviewed in the United States on November 25, 2025 by Stella
I've had a few magneto speed, and the old style Caldwell, chronographs and been around a bunch of different brands and styles. But I've never used any as nice and easy to use as the Athlon rangecraft. The battery holds up just fine for a pretty long shooting session. It seems like it would be able to take a few falls and bumps without any issues. So far I've put a few hundred shots across mine in all different weather conditions, and it hasn't missed a reading yet. If you're a serious shooter it's definitely worth the money.
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Reviewed in the United States on November 12, 2025 by Jack Keaster
The Rangecraft works great, so easy to use, and so fast my buddy's Garmin will miss shots when we shoot our AR's or semi auto pistols, comes in a nice sturdy case, seems very well made as do all Athlon products, long battery life have used it 5 straight hours
Reviewed in the United States on September 25, 2025 by Len Clayton
This has fixed 40 plus years of pain with Previous cronagraphs! Worth every penny!
Reviewed in the United States on December 22, 2025 by Evelyn Stewart
The media could not be loaded. This is fast! Great for times when reporting shot speed. The price is good compared to other similar products. It’s small and easy to take where I want to go! Beats the old shoot through chrono’s by a mile. The only negative thing I can say is that it seems to be way off on speed once in a while. It’s very easy to see white the bright screen and large display. The only reason I took one star off is for the occasional off reading. Could be 50$ cheaper but I’m glad I bought it! It functions as it should. The quality seems good. I dropped it first day on its face in the rocks. Luckily I left the plastic film on it so the screen was barely marked. It was easy to set up, choose your rifle type and go! I haven’t tried it with my bow yet..I really want to give this 5 stars but for the price it needs to be a bit more reliable in accuracy.
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Reviewed in the United States on December 7, 2025 by Paula Christie
I love this chronograph. The best thing is you do not have to shoot between the wires. This is a must if you hand load, tuning your pcp air gun, or just measuring the speed of arrows. I love it and cheaper then the hero.
Reviewed in the United States on December 12, 2025 by Richard H
Great item. Well made and easy to operate. Wonderful item for the range while working up your best load.
Reviewed in the United States on October 25, 2025 by Einnor