The .338 Norma Magnum is a cartridge first introduced in 2008 and came into production in 2009, designed by Norma of Sweden. The .338 Norma Magnumprior to C.I.P. certification had a shorter cartridge overall length (91.44 mm (3.60 in) compared to the cartridge overall length of the .338 Lapua Magnum (93.50 mm (3.681 in). The .338 Norma Magnum loaded with 19.44 g (300 gr) .338 caliber Sierra HPBT projectiles will have this projectile less deeply seated compared to the .338 Lapua Magnum when both cartridges are loaded to 91.44 mm (3.681 in) overall length.
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To achieve this the .338 Norma Magnum cartridge utilizes a shorter case (about 63.30 mm (2.492 in) with less taper and a slightly sharper shoulder angle with a slightly longer neck, resulting in about 6.5% less case capacity. However the cartridge overall lengths of the .338 Norma Magnum and Cheap 338 norma magnum, as of 2013, determined at 93.50 mm (3.681 in) by the C.I.P. rulings for these cartridges.
The.338 Norma Magnum was initially created by American sport shooter Jimmie Sloan as a long-range sport shooting wildcat cartridge with the assistance of Dave Kiff, the proprietor of Pacific Tool and Gauge, who produced the reamers and headspace gauges. Rock Creek Barrel Inc. provided the barrels. With 5R rifling, several twist rates were tested. It was created to make it easier to shoot the 19.44 g (300 gr), 8.59 mm (.338 in) Sierra HPBT MatchKing projectile from actions and magazines that aren’t long enough to accommodate cartridges longer than 91.44 mm (3.60 in).
The.338 Lapua Magnum was not designed to shoot the 19.44 g (300 gr) Sierra HPBT MatchKing projectile; instead, it was optimized for firing 16.2 g (250 gr) projectiles. Additionally, military-grade.338 Lapua Magnum cartridges are typically loaded with shorter 16.2 g (250 gr) to 18.47 g (285 gr) projectiles. Later, the Swedish munitions maker Norma bought the design. On May 26, 2010, the.338 Norma Magnum cartridge received C.I.P certification, making it a legally recognized and registered rifle cartridge.
Black Hills Ammunition 338 Norma Magnum 300 Grain Sierra MatchKing Hollow Point:
Black Hills produces factory new rifle ammunition equal to some of the best handloads. It is quickly becoming one of most popular manufacturers of ammunition. Used primarily by all branches of the United State military, this ammunition is also used by competitive shooters and hunters.
Loaded with Sierra MatchKings, these super-accurate bullets have very thin jackets and are held to exacting tolerances in diameter and weight. Their accuracy has been acclaimed worldwide, and they have been used to win more target competitions than all target bullets from other manufacturers combined. Although some of these bullets have been used for hunting, Sierra recommends them for target shooting only. This ammunition is new production, non-corrosive, in boxer primed, reloadable brass cases.
WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to – www.P65Warnings.ca.gov.