Cartridge comparison
9x21mm IMI vs 9x23mm Winchester
9x21mm IMI and 9x23mm Winchester are both in the reference; see the full spec comparison below.
Side by side
| 9x21mm IMI | 9x23mm Winchester | |
|---|---|---|
| Type | Pistol | Pistol |
| Introduced | 1980 | 1996 |
| Bullet diameter | 0.3555″ | 0.356″ |
| Case length | 0.8327″ | 0.9″ |
| Max pressure | 34,084 psi | 55,000 psi |
| Recoil | 3–5 ft·lb | 4–6.5 ft·lb |
| Effective range | 50 yd | 50 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.