Product Description
Winchester Super-X centerfire rifle ammunition is built for time-proven dependability and consistent field performance. This load features a 145-grain Power-Point jacketed soft point bullet in 7mm Mauser (7x57mm) for rapid, controlled expansion and strong energy transfer on target. Packaged as 20 rounds per box (10 boxes per case), it uses boxer-primed, reloadable brass cases for reliable ignition and smooth cycling—ideal for medium-game hunting.
Product Highlights
- 145-grain Winchester Power-Point jacketed soft point (JSP) designed for controlled expansion
- 7mm Mauser / 7x57mm Mauser centerfire rifle cartridge for hunting applications
- 2660 fps muzzle velocity and approximately 2278 ft-lbs of muzzle energy (manufacturer-listed)
- Boxer-primed, non-corrosive, reloadable brass cases
- 20 rounds per box; 10 boxes per case for convenient stocking
Specs
- Brand: Winchester Ammo
- Manufacturer Part Number: X7MM1
- UPC: 020892201736
- Cartridge/Caliber: 7mm Mauser (7x57mm Mauser)
- Bullet Type: Power-Point Jacketed Soft Point (JSP)
- Bullet Weight: 145 gr
- Rounds Per Box: 20
- Boxes Per Case: 10
- Case Material: Brass
- Primer Type: Boxer
- Muzzle Velocity: 2660 fps
- Muzzle Energy: 2278 ft-lbs
- Bullet Diameter: 0.285 in
- Ballistic Coefficient (G1): 0.355
- Corrosive: No
- Reloadable: Yes
- Country of Manufacture: USA
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