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The last belted magnum to be introduced in the market was Weatherby's 6.5-300 Weatherby Magnum, commercially available since 2016. [ 2 ] Nevertheless, the most popular magnum cartridge remain those with a belted case, such as the .300 Winchester Magnum , the .375 Holland & Holland Magnum and the 7mm Remington Magnum .
The 6.5mm Remington Magnum is a .264 caliber (6.7 mm) belted bottlenecked cartridge introduced in 1966. [2] [3] The cartridge is based on a necked down .350 Remington Magnum which on turn is based on a shortened, necked down, blown out .375 H&H Magnum case. [4] The cartridge was one of the first short magnum cartridges.
Belted .375 H&H Magnum (left), .338 Winchester Magnum (right), US quarter (24 mm) for scale. The original purpose of the "belt" on belted cases (often referred to as belted magnums) was to provide headspacing; the extractor groove is cut into the belt just as it is cut into the case head on a rimless case. The belt acts as a rim on what is ...
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.
Norma Precision of Sweden was the first and only manufacturer of .460 Weatherby Magnum cases and ammunition which carried the Weatherby name and has done so under contract from Weatherby. During Weatherby's partnership with J.P. Sauer/Dynamit-Nobel, production at Norma ceased and shifted to RWS, a wholly owned subsidiary of Dynamit-Nobel.
The .300 Winchester Magnum (also known as .300 Win Mag or .300 WM) (7.62×67mmB, 7.62x66BR) is a belted, bottlenecked magnum rifle cartridge that was introduced by the Winchester Repeating Arms Company in 1963. The .300 Winchester Magnum is a magnum cartridge designed to fit in a standard rifle action.
The .458 Winchester Magnum is a belted, straight-taper cased, Big Five game rifle cartridge.It was introduced commercially in 1956 by Winchester and first chambered in the Winchester Model 70 African rifle. [3]
The 7×61mm Sharpe & Hart Magnum belted cartridge (A.K.A. 7mm S&H Super [1]) was developed by Philip B. Sharpe and Richard (Dick) Hart in the 1950s. Some articles claim it was based on the .300 H&H Magnum case, [1] [2] while others claim it was based on the 7x61 MAS M1907 case.