How to Choose Crossbow Bolts

Match the nock first, then the length, then check the finished weight against the minimum in your crossbow’s manual. In that order, because the nock is the one that can hurt you. A crossbow specified for a half-moon nock expects the string to engage a groove cut across the back of the bolt. Put a flat-nocked bolt in that crossbow and the string can slip past the bolt entirely on release — a dry fire, which is the fastest way to destroy a crossbow and the most common way to be injured by one.

Everything else about bolt selection is a performance trade you can experiment with safely. Those three specifications are not.

The three specifications that are not optional

The weight point deserves emphasis because it is the one people reason their way out of. Every crossbow manual publishes a minimum finished bolt weight for that specific model. A bolt under it cannot absorb the energy the bow stores, so the excess is dumped into the limbs, rail and trigger group instead. The damage is often not dramatic the first time, which is precisely why it is dangerous — it accumulates.

Nock style, in more detail than you want

There are broadly three families. A half-moon nock has a groove cut across the back of the shaft and must be indexed so the groove aligns with the string: on most crossbows that means the odd-colored vane facing down toward the rail, but your manual is the authority. A flat nock has no groove and relies on the string pushing a flat face. A proprietarynock — TenPoint’s Alpha-Nock family, for example — is designed for a particular string and latch geometry.

Two consequences follow. First, “universal” on a bolt packet describes the shaft, not the nock. Second, an indexing mistake with a half-moon nock has the same failure mode as the wrong nock entirely, so loading a half-moon bolt is a thing to do deliberately in good light rather than by feel in the dark. Our guide to cocking a crossbow covers the loading sequence, and our bolt picks record the nock style for every bolt we list.

The nock is also a wear item. Repeat shots batter a bare carbon nock, which is why premium bolts fit an aluminum bushing behind it — the Pro Elite bolts below use an Alpha-Nock HP with an aluminum bushing for exactly that reason. Inspect the nock on any bolt that has been shot a lot, and retire it if the groove is rounded or chipped.

Weight: the real trade, once you are above the minimum

Above the published minimum, bolt weight is a genuine engineering choice and it is the same trade as arrow weight on a vertical bow. A heavier bolt leaves the rail slower, drops more over distance, and carries more momentum into the animal. A lighter bolt flies faster and flatter, and gives up penetration.

You can put numbers on this. Wasp Archery publishes the standard kinetic-energy formula as arrow weight in grains multiplied by velocity squared, divided by 450,240. Run a few combinations and the picture is clear:

These are calculations from the published formula, not measured results, and the speed figures are illustrative of how a heavier bolt slows down rather than readings from any particular crossbow. The point is the pattern: across the range a hunter actually chooses from, total energy barely moves, and every one of these figures is several times the roughly 25 foot-pounds commonly cited as an ethical minimum for whitetail. So weight is not an energy decision at deer range. It is a penetration-versus-trajectory decision, and for a whitetail inside 40 yards either end of the range works.

For reference on the vertical-bow side, the Pope & Young Club’s equipment definitions include a 300-grain minimum total arrow weight for bowhunting — a floor that most crossbow bolts clear comfortably. Our crossbow effective range guide works through the energy and flight-time arithmetic in full, including validating the formula against a manufacturer’s own published kinetic-energy figure.

Shaft material: carbon, aluminum, and what each is for

Carbon is the default and the right default: it is light, stiff, durable in the ways that matter and sold everywhere. Its failure mode is the one to respect — a carbon shaft that has taken an impact can hold an invisible crack and come apart on release, which is why flexing and listening to every bolt is a habit rather than a precaution.

Aluminum is the specialist choice, and its appeal is mass. A 2219 aluminum shaft in a 7075-T9 alloy puts weight where a carbon bolt is light, which is exactly what you want for maximum penetration on a close shot. The costs are that it is slower, so your sight marks change, and that aluminum bends where carbon breaks — a bent aluminum shaft is obvious, which some hunters consider a feature.

The three bolts worth starting from

Pick by what problem you have: the manufacturer-specified bolt, the heavy penetrator, or the lighted bolt for last light.

The specified bolt

TenPoint Pro Elite 400 20-inch, 6-pack

TenPoint and Wicked Ridge owners buying the specified bolt

Length

20"

Shaft

Carbon

Nock

Alpha-Nock HP (aluminum bushing)

$84.99 · View on Amazon

Price as of October 10, 2026. #ad How we’re funded

Maximum penetration

Easton XX75 Magnum 2219 20-inch, 6-pack

Maximum penetration on close whitetail shots

Length

20"

Shaft

2219 aluminum (7075-T9 alloy)

Nock

Half-moon (installed)

$40.99 · View on Amazon

$44.999% off

Price as of October 10, 2026. #ad How we’re funded

Last light

Victory Archery XBolt Sport Lighted 20-inch, 3-pack

Low-light shots where you need to see the impact

Length

20"

Shaft

0.300" carbon

Nock

Lighted

$44.99 · View on Amazon

Price as of October 10, 2026. #ad How we’re funded

If your crossbow is a TenPoint or a Wicked Ridge, the first of these carries the Alpha-Nock HP the manuals call for and removes the nock question entirely. The Easton is the one to choose if you are hunting close and want mass — note that its listing publishes the shaft spec but not the total finished weight, so you will be re-sighting by observation rather than by arithmetic. The lighted bolt solves a real problem at last light, with two caveats worth repeating: lighted nocks are illegal in a few jurisdictions, and a battery you have been running down all summer is a battery that fails on the one shot that mattered.

After any bolt change: re-sight, then verify

Changing bolts changes your zero. So does changing packs of the same bolt, because production batches differ. The routine is: shoot a three-bolt group at 20 yards, correct, then confirm at the longest distance you will actually shoot. Then do the broadhead check, because a bolt-and-broadhead combination has to be verified together.

And keep the bolts alive. TenPoint’s own maintenance guidance for the crossbow applies to the whole system: inspect strings and cables every session and condition them when they look dry, check every nut, bolt and screw for tightness, and change strings and cables at least every two years or every 1,000 shots if you shoot often. A worn string is a bolt problem too, because it changes how the bolt leaves the rail. Our crossbow maintenance guide has the full schedule, and our crossbow sighting-in guide covers the re-zero.