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Chronograph
A radar chronograph measures how fast your bullet or arrow is actually moving, so your ballistic app and holdovers are built on real numbers instead of the velocity printed on the ammo box. This category holds the Athlon Velocity Pro Radar Chronograph.
Why hunters use one
Factory velocity figures come from test barrels that may be longer or shorter than yours. A small difference barely matters at 100 yards, but it changes your drop and the energy left in the bullet at 300 and beyond. Measuring your own load lets you true up your scope's ballistic settings or your app and pick the right holdover for a coyote across a wide field.
The Velocity Pro works for rifle bullets and archery arrows, and its large display is easy to read even in direct light at the range. Because it uses radar, it sits near the muzzle instead of having you shoot through a set of screens downrange.
Use it when you work up a handload, switch to a new factory load, or set up a new rifle and scope. Pair the numbers with a laser rangefinder and your holdovers at distance come from data, not guesses.
For the optics side, see our LRF capable scopes and thermal scopes.
Frequently Asked Questions
What is the purpose of a chronograph?
For shooters, a chronograph measures the speed of a bullet or arrow as it leaves the gun or bow. That number feeds your ballistic calculator, so your drop chart and holdovers match your rifle and load. It also shows shot-to-shot consistency, which tells you how uniform your ammunition is.
What is the main difference between a watch and a chronograph?
In watches, a chronograph is a watch with a built-in stopwatch. In shooting, the word means something else: a device that measures projectile speed, like the Athlon Velocity Pro radar unit here. If you came looking for a wristwatch, this page covers the shooting kind.
What is chronograph vs automatic?
Those are watch terms. Automatic describes a self-winding movement, and chronograph describes a stopwatch function. A shooting chronograph is unrelated to either: it is an electronic device that reads bullet or arrow speed. Radar models like the Velocity Pro do it without screens set up downrange.
Do I really need a chronograph?
If you shoot past a couple hundred yards or handload, a chronograph pays off quickly. It replaces guesswork with your own velocity, which tightens your holdovers at distance. For close-range calling with factory ammo and a 100-yard zero, you can hunt without one, though you'll still learn a lot from it.
