Winchester 7mm Mauser 145 gr.

Winchester 7mm Mauser 145 gr.

The Winchester 7mm Mauser 145 gr. is a popular ammunition cartridge used by hunters and shooters. The 7mm Mauser, also known as the 7x57mm, was developed by Paul Mauser in 1892 and has since become a widely used cartridge for hunting and long-range shooting.

The Winchester 7mm Mauser cartridge is loaded with a 145 grain soft point bullet, which is designed to expand upon impact, creating a larger wound channel for more effective game stopping power. The soft point bullet is also known for its accuracy and flat trajectory, making it a popular choice for long-range shooting.

The cartridge itself is a rimless bottleneck design, with a maximum average pressure of 46,000 PSI. This high pressure, combined with the 145 grain bullet, results in a muzzle velocity of around 2,800 feet per second and a muzzle energy of approximately 2,700 foot-pounds.

Overall, the Winchester 7mm Mauser 145 gr. is a versatile and effective cartridge for hunting and shooting, with a long and storied history in the firearms community.


Caliber 7mm Mauser (7x57mm)
Bullet Weight 145 grains
Bullet Type Soft Point
Muzzle Velocity 2,800 fps
Muzzle Energy 2,700 ft-lbs
Bullet Diameter .284 inches
Cartridge Length 2.244 inches
Maximum Pressure 46,000 PSI
Casing Material Brass
Rim Type Rimless, bottleneck
Ballistic Coefficient 0.405 (G1)
Recommended Use Hunting, long-range

Note: Values are approximate and may vary based on specific firearm and environmental conditions. Always consult your firearm's manual and relevant safety guidelines before use.

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