.300 Norma Magnum
2012 · Norma Precision · 4 firearms in catalog
Also known as: .300 NM, 300 Norma, .300 Norma Mag
Cartridge specifications
| Bullet Diameter | 7.82 mm (0.308") |
| Neck Diameter | 8.74 mm (0.344") |
| Base Diameter | 14.17 mm (0.558") |
| Case Length | 73.6 mm (2.898") |
| Overall Length | 91.95 mm (3.620") |
| Max Pressure | 440 MPa (63,817 psi) |
| Typical Bullet Weight | 14.9 g (230 gr) |
| Typical Muzzle Velocity | 910 m/s (2986 fps) |
| Typical Muzzle Energy | 6167 J (4549 ft·lbf) |
| Primer Type | Large Rifle Magnum |
| Cartridge Type | Rimless Bottleneck |
| Introduced | 2012 |
Firearms chambered in .300 Norma Magnum
- Accuracy International AXSR — Accuracy International · Sniper Rifle · 2017
- Barrett MRAD — Barrett Firearms Manufacturing · Sniper Rifle · 2013
- Barrett MRAD Mk22 — Barrett Firearms Manufacturing · Sniper Rifle · 2021
- SWORD International Mk 18 Mod 1 Mjolnir — SWORD International · Sniper Rifle · 2015
Cartridge family
Parent cartridge: .338 Norma Magnum