6.5x47mm Lapua
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6.5x47mm Lapua | ||
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Type | Rifle | |
Place of origin | Finland | |
Production history | ||
Designer | Nammo Lapua | |
Manufacturer | Nammo Lapua | |
Produced | 2005 | |
Specifications | ||
Bullet diameter | 6.71 mm (0.264 in) | |
Neck diameter | 7.41 mm (0.292 in) | |
Shoulder diameter | 11.53 mm (0.454 in) | |
Base diameter | 11.95 mm (0.470 in) | |
Rim diameter | 12.01 mm (0.473 in) | |
Rim thickness | 1.37 mm (0.054 in) | |
Case length | 47 mm (1.9 in) | |
Primer type | Large rifle for Prototypes, small rifle since start of production | |
Ballistic performance | ||
Bullet weight/type | Velocity | Energy |
103 gr (6.7 g) Scenar | 3,082 ft/s (939 m/s) | 2,277 ft·lbf (3,087 J) |
123 gr (8.0 g) Scenar | 2,887 ft/s (880 m/s) | 2,276 ft·lbf (3,086 J) |
139 gr (9.0 g) Scenar | 2,690 ft/s (820 m/s) | 2,233 ft·lbf (3,028 J) |
Source: Nammo Lapua |
6.5x47mm Lapua (or 6.5x47mm) is a rifle cartridge that was developed specifically for long-range benchrest shooting by ammunition maker Nammo Lapua and rifle manufacturer Swiss Grünig & Elmiger AG in 2005[1].
Contents |
[edit] Features
The cartridge has many special features including: [2]:
- The cartridge chamber dimensions are optimized for target bullets.
- High pressure level (4350 bar / 63090 psi) and optimized powder capacity enables high velocity and flat trajectory.
- Reduced barrel wear compared to 6 mm BR Norma.
- The 6.5x47mm Lapua has a base diameter and overall length similar to the .308 Winchester, allowing it to accept the same bolt heads and fit into similar actions and magazines.
[edit] Performance
The 6.5x47mm is essentially a European-made equivalent of David Tubb's 6.5 mm XC.