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The .300 Winchester Magnum was introduced in 1963 by Winchester for use in the Model 70 rifle. Winchester developed the .300 Win Mag by taking the .338 Winchester Magnum, which was introduced in 1958, moving the shoulder forward by 4.0 millimetres (0.156 in) and lengthening it by 3.0 millimetres (0.120 in). This resulted in a cartridge with a ...
The .30-06 Springfield holds 69 grains; .308 Winchester holds 56 grains; 30-30 Winchester holds 45 grains. The .300 Winchester Magnum has a case capacity of 93.8 grains. While providing ballistic performance nearly identical to that of the .300 Winchester Magnum, 300 WSM does this with about 14 grains less powder.
The Model 721 and Model 722 along with the later Model 725 variant are bolt-action sporting rifles manufactured by Remington Arms from 1948 until 1961. The 721/722 replaced the short-lived Model 720. The Model 721/722 is considered to be one of the first modern, economically produced sporting rifles whose design largely continued with the ...
Winchester Magnum. Winchester Magnum refers to a "family" of cartridges developed by the Winchester Repeating Arms Company, one of the oldest firearms manufacturers in the United States, in the late 1950s and early 1960s, all based on the same basic cartridge case. The basic case was a "short" magnum, meaning it would work through a standard (i ...
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] It was designed to compete against the .450 Nitro Express and the .470 Nitro Express cartridges used in big bore British double rifles ...
A wildcat cartridge based on the .25 WSSM, called the .358 WSSM or .358 BFG, has similar performance to the standard .358 Winchester and .35 Whelen. [6] Additionally, Olympic arms created the .300 OSSM, which is a 25 WSSM necked up to .308” giving performance between 30-06 and .300 Winchester Magnum. [citation needed]
The .30-06 Springfield cartridge case can hold 68.2 grains and has a volume of 4.42 millilitres (0.270 in 3). The exterior shape of the case was designed to promote reliable case feeding and extraction in bolt-action rifles and machine guns alike, under extreme conditions. [citation needed].30-06 Springfield maximum C.I.P. cartridge dimensions.
The Remington model 770 is a magazine fed, bolt action, center-fire rifle. The 770 is available in 243 Win, 270 Win, 7mm-08 Rem, 7mm Rem Mag, 30-06 Sprg, 300 Win Mag, and 308 Win. The standard, factory magazine can hold up to 4 rounds (3 rounds in the magnum version) plus 1 loaded directly into the chamber. The factory model includes a mounted ...