Cartridge comparison
.22-250 Ackley Improved vs .220 Swift
.22-250 Ackley Improved and .220 Swift are both in the reference; see the full spec comparison below.
Side by side
| .22-250 Ackley Improved | .220 Swift | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1955 | 1935 |
| Bullet diameter | 0.224″ | 0.2244″ |
| Case length | 1.9402″ | 2.2051″ |
| Max pressure | 65,000 psi | 62,000 psi |
| Recoil | 5.1–8.1 ft·lb | 5.5–8 ft·lb |
| Effective range | 500 yd | 500 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.
