7mm Mauser Bullets

7mm Mauser Bullets for Reloading

The 7mm Mauser (aka 7x57mm Mauser or 275 Rigby) was first adopted as a military cartridge by Spain in 1893. Several countries soon followed suit, thus securing the 7mm Mauser its place as a popular sporting cartridge the world over.

The 7mm Mauser features a .284 diameter bullet, which boasts a naturally high ballistic coefficient and sectional density. Its flat trajectory and agreeable recoil suit it well for hunting deer, although the 7mm Mauser has also been successfully used to take down African elephants and even the legendary Leopard of Rudraprayag which reportedly ate 125 people in India.

The 7mm Mauser is a famously easy cartridge to reload. Load data for bullets ranging in weight from 120 to 175 grains are commonly available. The lightest weight bullets are typically loaded to muzzle velocities between 2,500 fps and 2,800 fps, while the heaviest bullets are loaded between 2,250 fps and 2,400 fps. Recommended propellants include 4831, 4350, and Hodgdon Varget. 7mm Mauser brass can also be used to make cases for several wildcat cartridges including the 228 Ackley Magnum and 257 Roberts Ackley.

The 7mm Mauser is not to be confused with the 8mm Mauser (aka 7.92x57mm Mauser).

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