Cartridge comparison
.17 Mach IV vs 6.5x25mm CBJ
.17 Mach IV and 6.5x25mm CBJ are both in the reference; see the full spec comparison below.
Side by side
| .17 Mach IV | 6.5x25mm CBJ | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1963 | 1902 |
| Bullet diameter | 0.172″ | 0.157″ |
| Case length | 1.4″ | 0.9843″ |
| Max pressure | 48,000 psi | 18,000 psi |
| Recoil | 1.3–1.4 ft·lb | 0.3–0.4 ft·lb |
| Effective range | 250 yd | 400 yd |
| SAAMI | Wildcat | Not SAAMI standardized |
| CIP | Not standardized | Not standardized |
| Obsolete | — | Obsolete |
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.
