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Grab Best Deals On .338 Norma Mag | Available At Best Price










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In Stock .338 NORMA MAG Ammo For Sale- Top Ammo Vendors Available

.338 Norma Magnum is a cartridge first introduced in 2008 and came into production in 2009, designed by Norma of Sweden.

It was designed as a way to optimize shooting the 19.44 g 8.59 mm caliber Sierra HPBT MatchKing projectile from actions and magazines that lack the length to handle cartridges exceeding 91.44 mm in overall length. Later the design was purchased by the Swedish ammunition manufacturer Norma.

The .338 Norma Magnum cartridge was C.I.P. certified on 26 May 2010 and thus became an officially registered and sanctioned rifle cartridge.

.338 Norma Magnum was initially developed as a long-range competitive shooting wildcat cartridge by the American sport shooter Jimmie Sloan with the help of Dave Kiff, owner of Pacific Tool and Gauge, who made the reamers and headspace gauges.

About: .338 Norma Mag

  • Type: Rifle
  • Place of origin: United States
  • Designer: Jimmy Sloan, Norma
  • Manufacturer: Norma
  • Produced: 2009


  • Parent case: .416 Rigby
  • Case type: Rimless, bottleneck
  • Bullet diameter: 8.60 mm (0.339 in)
  • Neck diameter: 9.40 mm (0.370 in)
  • Shoulder diameter: 14.50 mm (0.571 in)
  • Base diameter: 14.87 mm (0.585 in)
  • Rim diameter : 14.93 mm (0.588 in)
  • Rim thickness: 1.52 mm (0.060 in)
  • Case length: 63.30 mm (2.492 in)
  • Overall length: 93.50 mm (3.681 in)
  • Case capacity: 6.95 cm3 (107.3 gr H2O)
  • Rifling twist: 235 mm (1 in 9.25 in)
  • Primer type: Large rifle magnum/li>
  • Maximum pressure: 440.00 MPa (63,817 psi)

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