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6.5x47mm Lapua

6.5x47mm Lapua
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

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.

Performance

The 6.5x47mm is essentially a European-made equivalent of David Tubb's 6.5 mm XC.

Notes

  1. ^ 6mmbr.com October 2005 News, Features, and Products
  2. ^ Lapua New Products

See also

External links

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