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Data last updated on 2020-09-28 @ 12:34:50pm(EST)

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In Stock .338 LAPUA MAG Ammo For Sale- Trusted Ammo Retailers

.338 Lapua Magnum is a rimless, bottlenecked, centerfire rifle cartridge. It was developed during the 1980s as a high-powered, long-range cartridge for military snipers. It was used in the Afghanistan War and the Iraq War. As a result of this, it became more widely available.

In 1983, Research Armament Industries in the United States began the development of a new, long-range sniper cartridge capable of firing a 16.2-gram, 0.338-inch diameter bullet at 914 meters per second that could lethally penetrate five layers of military body armor at 1,000 m.

The loaded cartridge is 14.93 mm (0.588 in) in diameter (rim) and 93.5 mm (3.68 in) long. It can penetrate better-than-standard military body armor at ranges up to 1,000 meters and has a maximum effective range of about 1,750 meters with C.I.P. conform ammunition at sea level conditions.

About: .338 Lapua Mag

  • Type: Rifle
  • Place of origin: Finland
  • Used by: Multiple official and civil users
  • Designer: Nammo Lapua Oy
  • Designed: 1989
  • Produced: 1989–present


  • Parent case: .416 Rigby, .338/416
  • Case type: Rimless, bottleneck
  • Bullet diameter: 8.58 mm (0.338 in)
  • Neck diameter: 9.46 mm (0.372 in)
  • Shoulder diameter: 13.82 mm (0.544 in)
  • Base diameter: 14.91 mm (0.587 in)
  • Rim diameter: 14.93 mm (0.588 in)
  • Rim thickness: 1.52 mm (0.060 in)
  • Case length: 69.20 mm (2.724 in)
  • Overall length: 93.50 mm (3.681 in)
  • Case capacity: 7.532 cm3 (116.24 gr H2O)
  • Rifling twist: 254 mm (1-10")
  • Primer type: Large rifle magnum
  • Maximum pressure: 420.00 MPa (60,916 psi)

Ballistic performance

Bullet mass/type Velocity Energy
12.96 g (200 gr) SP 1,023 m/s (3,360 ft/s) 6,734 J (4,967 ft⋅lbf)
16.20 g (250 gr) Partition 921 m/s (3,020 ft/s) 6,875 J (5,071 ft⋅lbf)
16.20 g (250 gr)Lapua 925 m/s (3,030 ft/s) 6,925 J (5,108 ft⋅lbf)
Scenar GB488 VLD
19.44 g (300 gr) Sierra 851 m/s (2,790 ft/s) 7,045 J (5,196 ft⋅lbf)
HPBT MatchKing
19.44 g (300 gr) Lapua 847 m/s (2,780 ft/s) 6,971 J (5,142 ft⋅lbf)
Scenar GB528 VLD

Bulk Cheap Ammo is your place to find .338 LAPUA MAG from top retailers. We have listed various ammo retailers in one place. We help gun owners to save their time to find in-stock ammunition in one place.

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ATTENTION: The following locations have ammunition restrictions.

California - Retailer must ship to FFL.

Connecticut - Retailer must have your ACE or Pistol Permit and State ID on file or ship directly to and FFL.

Illinois - Retailer must have your FOID and State ID on file.

Illinois (Chicago) - Retailer must ship to an FFL.

Massachusetts - Retailer must have your ACE or Pistol Permit and State ID on file or ship directly to an FFL.

New York - Retailer must ship to an FFL.

New York (New York City) - No ammo shipments allowed.

New Jersey - A copy of your current Drivers License and Firearms Purchaser ID Card are required before a retailer can ship the order.

Please check local laws and shipping policy before placing an order.