Lindcott Armory Compare / 7.21 Lazzeroni Firebird vs 7mm STW
Cartridge comparison
7.21 Lazzeroni Firebird vs 7mm STW
7.21 Lazzeroni Firebird is faster (3,600 vs 3,400 fps); 7.21 Lazzeroni Firebird carries more energy (4,029 vs 3,584 ft·lb).
7.21 Lazzeroni Firebird →Representative trajectory · 100 yd zero0–1000 yd Open in Ballistic Compare ↗
7mm STW →Representative trajectory · 100 yd zero0–1000 yd Open in Ballistic Compare ↗
| 7.21 Lazzeroni Firebird | 7mm STW | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1996 | 1979 |
| Bullet ⌀ | 0.284″ | 0.284″ |
| Case length | 2.82″ | 2.85″ |
| Velocity | 3,300–3,600 fps | 3,000–3,400 fps |
| Energy | 3,384–4,029 ft·lb | 2,799–3,584 ft·lb |
| Max pressure | 65,000 psi | 65,000 psi |
| Recoil | 30–42 ft·lb | 30–42 ft·lb |
| Eff. range | 800 yd | 600 yd |
FAQs
- Is 7.21 Lazzeroni Firebird faster than 7mm STW?
- 7.21 Lazzeroni Firebird is faster — up to 3,600 fps versus 3,400 fps.
- Does 7.21 Lazzeroni Firebird hit harder than 7mm STW?
- 7.21 Lazzeroni Firebird carries more muzzle energy (4,029 vs 3,584 ft·lb).