Cartridge comparison
.17 Libra vs .17 Mach IV
.17 Libra and .17 Mach IV are both in the reference; see the full spec comparison below.
Side by side
| .17 Libra | .17 Mach IV | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 2002 | 1963 |
| Bullet diameter | 0.1685″ | 0.172″ |
| Case length | 1.185″ | 1.4″ |
| Max pressure | 62,366 psi | 48,000 psi |
| Recoil | 0.6–0.7 ft·lb | 1.3–1.4 ft·lb |
| Effective range | 400 yd | 250 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.