Hornady 8645 Unprimed Cases 7x57mmMauser Rifle Brass 50 Per Box/5 Case

Building accurate, consistent handloads starts with quality brass, and Hornady 7x57mm Mauser unprimed cases give you the foundation for tight groups and reliable performance. Whether you're working up loads for a vintage Mauser, a modern reproduction, or a custom rifle chambered in this classic cartridge, Hornady brass is engineered to the exacting standards that serious reloaders demand. Each box contains 50 unprimed cases, ready for you to size, prime, charge, and seat according to your load data.

Hornady's reputation in reloading components rests on meticulous quality control—and it shows in their brass. These cases are manufactured to tight tolerances in wall thickness, concentricity, and internal capacity. That consistency translates directly to uniform case expansion during firing, which means your pressures and velocities stay predictable from round to round. When your brass performs uniformly, your accuracy improves, your chronograph spreads tighten, and your confidence in the loads grows.

The 7x57mm Mauser is a cartridge with real history and real capability—it's still a respected choice for hunters and shooters who appreciate classic calibers. Hornady brass for this round respects that heritage while delivering modern manufacturing precision. These cases are designed to handle multiple reloads, so your investment in quality brass pays dividends over time. The uniform wall thickness and tight concentricity ensure proper bullet seating in both the case and chamber, critical for accuracy and reliability.

Key Features

• Tight wall concentricity for consistent bullet seating and optimal velocity
• Uniform case wall thickness and internal capacity for load consistency
• Pressure-tested to ensure uniform case expansion during firing
• Manufactured to tight tolerances for superior reloading performance
• Designed for multiple reloads, maximizing the value of quality brass
• Unprimed—ready for your sizing, priming, and loading process

Specifications

Frequently Asked Questions

What is 7x57mm Mauser brass used for?

7x57mm Mauser brass is for reloading ammunition for rifles chambered in that caliber, including vintage Mausers, modern reproductions, and custom rifles. It's a classic cartridge still favored by hunters and shooters.

Why does case wall thickness matter for reloading?

Uniform case wall thickness ensures consistent internal capacity and helps maintain predictable pressure and velocity from one round to the next. This consistency is essential for accuracy and safe, repeatable handloads.

Can I reload Hornady brass multiple times?

Yes. Hornady brass is manufactured with quality and durability in mind, allowing for multiple reloads when handled properly during sizing and loading.

Are these cases primed?

No, these are unprimed cases. You'll need to prime them yourself as part of your reloading process.