Lindcott Armory Compare / 9x21mm IMI vs 9x23mm Winchester
Cartridge comparison
9x21mm IMI vs 9x23mm Winchester
9x23mm Winchester is faster (1,450 vs 1,280 fps); 9x23mm Winchester carries more energy (583 vs 450 ft·lb); 9x21mm IMI recoils less.
9x21mm IMI →Representative trajectory · 25 yd zero0–200 yd Open in Ballistic Compare ↗
9x23mm Winchester →Representative trajectory · 25 yd zero0–200 yd Open in Ballistic Compare ↗
| 9x21mm IMI | 9x23mm Winchester | |
|---|---|---|
| Type | Pistol | Pistol |
| Introduced | 1980 | 1996 |
| Bullet ⌀ | 0.356″ | 0.356″ |
| Case length | 0.833″ | 0.9″ |
| Velocity | 1,150–1,280 fps | 1,400–1,450 fps |
| Energy | 363–450 ft·lb | 539–583 ft·lb |
| Max pressure | 34,084 psi | 55,000 psi |
| Recoil | 3–5 ft·lb | 4–6.5 ft·lb |
| Eff. range | 50 yd | 100 yd |
FAQs
- Is 9x21mm IMI faster than 9x23mm Winchester?
- 9x23mm Winchester is faster — up to 1,450 fps versus 1,280 fps.
- Does 9x21mm IMI hit harder than 9x23mm Winchester?
- 9x23mm Winchester carries more muzzle energy (583 vs 450 ft·lb).