.221 Remington Fireball
1963 · Mike Walker · 1 firearm in catalog
Also known as: .221 Fireball, 5.7x35mm
Cartridge specifications
| Bullet Diameter | 5.69 mm (0.224") |
| Neck Diameter | 6.43 mm (0.253") |
| Base Diameter | 9.55 mm (0.376") |
| Case Length | 35.56 mm (1.400") |
| Overall Length | 46.48 mm (1.830") |
| Max Pressure | 379 MPa (55,000 psi) |
| Typical Bullet Weight | 3.24 g (50 gr) |
| Typical Muzzle Velocity | 820 m/s (2690 fps) |
| Typical Muzzle Energy | 1089 J (803 ft·lbf) |
| Primer Type | Small Rifle |
| Cartridge Type | Rimless |
| Introduced | 1963 |
Firearms chambered in .221 Remington Fireball
- Remington XP-100 — Remington Arms Company, LLC · Pistol · 1963
Cartridge family
Derived cartridges