Lindcott Armory Compare / 5.45x18mm Soviet vs 5.7x28mm FN
Cartridge comparison
5.45x18mm Soviet vs 5.7x28mm FN
5.7x28mm FN is faster (2,350 vs 1,080 fps); 5.7x28mm FN carries more energy (330 vs 106 ft·lb); 5.45x18mm Soviet recoils less.
5.45x18mm Soviet →Representative trajectory · 25 yd zero0–200 yd Open in Ballistic Compare ↗
5.7x28mm FN →Representative trajectory · 100 yd zero0–500 yd Open in Ballistic Compare ↗
| 5.45x18mm Soviet | 5.7x28mm FN | |
|---|---|---|
| Type | Pistol | Pistol |
| Introduced | 1972 | 1990 |
| Bullet ⌀ | 0.222″ | 0.224″ |
| Case length | 0.71″ | 1.138″ |
| Velocity | 1,033–1,080 fps | 1,900–2,350 fps |
| Energy | 97–106 ft·lb | 250–330 ft·lb |
| Max pressure | 25,382 psi | 48,500 psi |
| Recoil | 0.3–0.8 ft·lb | 2–4 ft·lb |
| Eff. range | 50 yd | 200 yd |
FAQs
- Is 5.45x18mm Soviet faster than 5.7x28mm FN?
- 5.7x28mm FN is faster — up to 2,350 fps versus 1,080 fps.
- Does 5.45x18mm Soviet hit harder than 5.7x28mm FN?
- 5.7x28mm FN carries more muzzle energy (330 vs 106 ft·lb).