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.17 Hornady Mach 2

Bullet diameter
4.37 mm
Case length
18.14 mm
Max pressure
165 MPa
Introduced
2004

Specification

Everything measured

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IdentityWhat it is, who designed it and what else it is called.

Cartridge type
Rimmed
Introduced
2004
Designer
Hornady
Parent cartridge
22-lr
Also known as
.17 HM2, .17 Mach 2, 17 HM2, 17 Mach 2

DimensionsThe case and the bullet, to a hundredth of a millimetre.

Bullet diameter
4.37 mm
Neck diameter
4.57 mm
Shoulder diameter
5.74 mm
Base diameter
5.74 mm
Rim diameter
6.99 mm
Rim thickness
1.09 mm
Case length
18.14 mm
Overall length
25.40 mm

BallisticsWhat a typical load does, and the pressure it runs at.

Max pressure
165 MPa
Max pressure, psi
24,000
Typical bullet weight
1.06 g
Typical muzzle velocity
603 m/s
Typical muzzle energy
193 J

ConstructionWhat the case, primer and projectile are made of and shaped like.

Case shape
Bottleneck
Case material
Brass
Primer
Rimfire
Projectile
Bullet
Bullet profile
Spitzer
Mouth closure
Bullet
Specification standard
saami

Provenance

Where these figures came from

Every figure above was taken from one of these pages. The confidence reflects how much of the record came from a page a claim can be checked against.

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Confidence in this record

95%

API

The call that returns this record

The same fields, in the same units, from the same endpoint the page reads.

curl --request GET \  --url 'https://api.gunspec.io/v1/calibers/17-mach-2' \  --header 'X-API-Key: your_key'