The Remington Magnum 7 mm rifle cartridge was introduced commercially in 1962 as well as the new Remington Model 700 rifle. It is from the family of Belted Magnum derived directly from the venerable .375 H & H Magnum. The 7 mm Remington Magnum is based on the .264 Winchester Magnum, .338 Winchester Magnum and the .458 Winchester Magnum which rested on the same socket .300H & H and 375H & H.
At its introduction, the 7 mm Remington Magnum significantly usurped the market share held by the .264 Winchester Magnum, which declined in popularity and sales after 1962. The maximum pressure is defined by the SAAMI at 4200 bar . Ballistics indicativechange code
The low energy of the latter is explained by the fact that it is subsonic. It is this type of ammunition which, when used with a silencer, makes it possible to make less noise. But for this, its initial speed must be lower than the speed of sound (343 m / s). By dividing his speed by 3, his energy is divided by 9.
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