Cartridge comparison
.17 Ackley Hornet vs .17 Mach 2
.17 Ackley Hornet and .17 Mach 2 are both in the reference; see the full spec comparison below.
Side by side
| .17 Ackley Hornet | .17 Mach 2 | |
|---|---|---|
| Type | Rifle | Rimfire Rifle |
| Introduced | 1952 | 2004 |
| Bullet diameter | 0.172″ | 0.1724″ |
| Case length | 1.4″ | 0.7142″ |
| Max pressure | 46,000 psi | 24,000 psi |
| Recoil | 3.5–5.5 ft·lb | — |
| Effective range | 250 yd | 150 yd |
Highlighted cells hold the clear edge where both sides have a number. Every figure is a range maximum from the reference; typical loads run lower.
Case profiles, to scale
Drawn to the same scale, so the proportions are true. Physical size varies with your screen.