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The .308 Norma Magnum (7.62×65mmBR) cartridge was created by Nils Kvale at Norma, Sweden. Like the larger .358 Norma Magnum it is based on a shortened 300 H&H magnum. [1] [2] It very closely resembled the wildcat .30-338 Magnum cartridge. [3] [2] Kvale designed a wildcat cartridge, the 8mm Kvale, in 1949.
A magnum cartridge is a firearm cartridge with a larger case size than, or derived from, a similar cartridge of the same projectile caliber and case shoulder shape. [ clarification needed ] The term derives from the .357 Magnum , the original revolver cartridge with this designation.
0.308 [10] 51mm Rimmed version of the .308 Winchester, for use in lever-action rifles. .308 Marlin Express: 2006 US 1 [4] R [5] 7.62×48mm 2800 [4] 2514 [4] 1.796 47.7 [10] 0.308 [10] 0.395 [5] 48mm Based upon a slightly shortened .308 Winchester cases with FTX bullets and special powder to approach .308 ballistics from a Marlin lever-action ...
The .300 Norma Magnum, also known as .300 NM or 300 Norma, is a centerfire magnum rifle cartridge developed by Swedish ammunition manufacturer Norma Precision.The .300 Norma Magnum uses a .338 Norma Magnum parent case necked down to .30 caliber, [1] named to differentiate it from the older .308 Norma Magnum designed in 1960, and has begun to gain popularity among long-range shooters.
The .30 ICL is an improved .264 Winchester Magnum necked up to .308 and a pushed-back shoulder to create the steep angle common to all ICL cartridges and a long neck for improved handloading. Performance with a 150-grain (9.7 g) bullet is approximately 3,545 ft/s (1,081 m/s) and with a 180-grain (12 g) bullet is approximately 3,185 ft/s (971 m/s).
Nils Kvale and Roy Weatherby were invaluable for Norma's success in the latter half of the 20th century. Kvale was a product developer for the company in the 1960s and introduced a number of new calibers such as the .308 Norma Magnum and .358 Norma Magnum to the market. Today, Norma has a yearly production of 100 million rounds in 110 calibers. [6]
The 8mm Remington Magnum belted rifle cartridge was introduced by Remington Arms Company in 1978 as a new chambering for the model 700 BDL rifle. The 8mm Remington Magnum's parent case is the .375 H&H Magnum. It is a very long and powerful cartridge that cannot be used in standard length actions, such as those that accommodate the .30-06 ...
From left: .308 Winchester, 7mm Remington Magnum, 7mm Shooting Times Westerner. Type: Rifle: ... It is an 8mm Remington Magnum case that has been "necked down" ...