Crossbow bolt vs arrow

This question gets asked a lot and the honest answer is that the distinction has collapsed. You will see both words used for identical products, sometimes by the same maker in the same listing, and nothing about compatibility follows from which one is printed on the box.

Where the two words came from

Historically a bolt was the short, heavy, frequently unfletched projectile shot from a medieval crossbow, and an arrow was the longer fletched projectile shot from a bow. The crossbow projectile got shorter because the weapon's power stroke is shorter than a longbow's draw.

Modern crossbow projectiles are fletched carbon or aluminum shafts of 16-22 in, with vanes, inserts and nocks — structurally much closer to a short arrow than to a historical bolt. Which is why the industry drifted toward calling them arrows, without anyone agreeing to.

What the makers on this site actually say

In detail

Shafts across the length range

01The tightest published straightness tolerance here

$29.97/Amazon

$39.99 25% off

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Carbon Express Maxima Contour Crossbolts

Carbon Express

9.0/ 10

Dual Spine Weight Forward is not marketing: the shaft has two spines, a stiffer section forward of a softer one, and Carbon Express claims it cuts oscillation in half. The figures are the reason to buy — .002 inch straightness checked to a ten-thousandth, spine sorted to .0025 inch, weight sorted to 1 grain. Nothing else on this page publishes that level of sorting.

Published spec	Value
Length	20 in
Weight	390 gr
Diameter	0.348 in
Straightness	+/- .002 in
Spine tolerance	+/- .0025 in
Weight tolerance	+/- 1.0 gr
Vanes and nocks	3 in Dragon Vanes; moon nocks installed, C-Nocks included

What it does well

• Straightness, spine and weight tolerances all published and all tight
• Dual-spine construction claims 50 percent less oscillation
• Both moon nocks and flat C-Nocks in the pack, so it fits more bows
• Laser-matched sets rather than randomly boxed shafts

Where it falls short

• Three per pack, so a full quiver costs more than it looks
• 390 grains is mid-weight; heavy-bolt shooters will want more

Our rubric

Flight

9.4

Penetration

8.2

Consistency

9.6

Durability

8.6

Value

8.0

02Six matched 400-grain bolts at a sane price

$69.99/Amazon

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Wicked Ridge Match 400

Wicked Ridge

8.5/ 10

Six 20-inch shafts at 400 grains with a 46-grain aluminum insert that produces 14 percent front-of-center, which Wicked Ridge claims gives up to 20 percent tighter groups than its previous arrow. Six per pack is the practical detail: that is a full quiver and spares in one purchase.

Published spec	Value
Length	20 in
Weight	400 gr
Straightness	within .004 in
Insert	46 gr aluminum
Front of center	14%
Nock	Alpha-Nock HP with aluminum bushing
Vanes	3.5 in Bohning X Vanes, slight offset

What it does well

• Six per pack, which is a quiver's worth in one box
• 14 percent front-of-center published, which most makers do not state
• A 46-grain aluminum insert rather than a plastic one
• Alpha-Nock engages the string deeply, which reduces shoot-over

Where it falls short

• .004 inch straightness is looser than the Carbon Express and TenPoint shafts
• Alpha-Nock pattern suits TenPoint and Wicked Ridge bows best

Our rubric

Flight

8.4

Penetration

8.6

Consistency

8.0

Durability

8.6

Value

9.0

03Excalibur Matrix series bows

$61.99/Amazon

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Excalibur Diablo 18-inch

Excalibur

8.0/ 10

18 inches, 250 grains, .003 straightness, with a flatback insert for reliable string contact and a heavier front insert for front-of-center weight. 250 grains is light, and that is the Excalibur recurve design brief: these are built for the bows they are built for, and they fit the flat-nock CeaseFire pattern.

Published spec	Value
Length	18 in
Weight	250 gr
Straightness	0.003 in
Nock	Rhino, flat; CeaseFire compatible
Vanes	2 in Blazer, 3-degree offset
Insert	Flatback, with a heavier front insert for front-of-center
Fits	All Excalibur Matrix series

What it does well

• .003 straightness with a flatback insert for consistent string contact
• Blazer vanes with a 3-degree offset stabilize quickly
• Designed for CeaseFire bows and flat-nock patterns

Where it falls short

• 250 grains is light for anything bigger than deer
• 18 inches and flat nocks limit it to Excalibur-pattern bows
• Expensive per arrow

Our rubric

Flight

8.4

Penetration

7.2

Consistency

8.4

Durability

8.2

Value

7.4

04Aluminum, for practice volume

$40.99/Amazon

$44.99 9% off

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Easton XX75 Magnum 20-inch Aluminum

Easton

7.4/ 10

7075-T9 aluminum in 2219 size, hard anodized, with 4-inch vanes, half-moon nocks and inserts installed, six to a pack. Aluminum bends where carbon cracks, which cuts both ways: you can see a bent aluminum shaft and discard it, where a cracked carbon shaft can look fine and fail on the shot.

Published spec	Value
Length	20 in
Material	7075-T9 aluminum alloy, hard anodized
Size	2219
Vanes	4 in
Nock	Half-moon, installed
Inserts	Installed
Per pack	6

What it does well

• Damage is visible: a bent aluminum shaft announces itself
• Six per pack with nocks and inserts already fitted
• Cheap enough to shoot in volume

Where it falls short

• Aluminum is heavier and slower than carbon at the same length
• Bends permanently where carbon springs back
• No straightness tolerance published

Our rubric

Flight

7.4

Penetration

7.8

Consistency

7.2

Durability

6.8

Value

9.0

05The best-specified budget bolt

$48.24/Amazon

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Bloodsport Witness 20-inch

Bloodsport

8.6/ 10

Six bolts with the full dimensional picture published: .300 inch inside diameter, .344 outside, .003 straightness, and a 95-grain brass insert in the 20-inch version. The Blood Ring near the nock is a genuinely useful idea — the color on the ring after a hit tells you something about where the arrow went.

Published spec	Value
Length	20 in (22 in also offered)
Inside diameter	0.300 in
Outside diameter	0.344 in
Straightness	0.003 in
Brass insert	95 gr (20 in)
Nock	Half-moon, installed
Feature	Blood Ring hit indicator

What it does well

• Full dimensional specification published, which most budget bolts skip
• Six per pack with a 95-grain brass insert already fitted
• The Blood Ring gives you information after the shot
• Rugged Wrap construction is built for 400 fps-plus bows

Where it falls short

• Half-moon nocks only, so flat-nock bows need a different bolt
• .003 straightness is good rather than exceptional

Our rubric

Flight

8.6

Penetration

8.6

Consistency

8.4

Durability

8.8

Value

9.0

What actually matters

Four specifications, and none of them depends on the word:

1. Length. 16, 18, 20 or 22 in, as specified by your bow. Short shafts exist for reverse-draw and compact bows. Too short and the arrow can leave the rail before the string releases it.
2. Minimum total weight. Published in your bow's manual. Going under it puts energy into the limbs instead of the arrow.
3. Nock type. Half-moon (must be indexed), flat, Alpha-Nock, V-Track, or proprietary. The wrong nock lets the string skip the arrow.
4. Diameter. .300 in inside diameter is standard; small-diameter systems like Barnett's HyperFlite use .204 in and need a bow built for them.

The detail is in best crossbow bolts and bolt weight.

Carbon or aluminum

A genuine distinction, unlike the naming. Most modern crossbow shafts are carbon. Easton's XX75 Magnum is 7075-T9 aluminum, in 2219 size, and the trade is real:

• Carbon is lighter for a given stiffness, and it fails by cracking — which can be invisible. Flex-test a carbon shaft before every shot.
• Aluminum is heavier and bends rather than cracking, so damage is visible and the shaft announces itself as scrap. Cheaper to shoot in volume.

One thing the old distinction still explains

Why crossbow projectiles are short. The power stroke — the distance the string travels — is far shorter on a crossbow than a vertical bow's draw length, so the projectile does not need the length and benefits from the stiffness of being short. That is the historical bolt's logic, and it survives in the 16-22 in range even though the word did not.