Hornady Unprimed Brass Rifle Cartridge Cases for .450-400 Nitro Express (3-inch) (part no. 86934) give dangerous-game handloaders brass for a classic double-rifle cartridge that is difficult to source off the shelf. These are cases, not a bullet mold, so they are the starting point for building complete rounds with your own primer, powder, and bullet. Hornady manufactures to tight tolerances for wall concentricity and thickness, both of which carry directly into how consistently the finished round performs.

Key Specifications

• Sized for .450-400 Nitro Express, 3-inch, a classic double-rifle dangerous-game cartridge.
• Sold unprimed, so the reloader selects and seats primers.
• Packaged 20 cases to a box.
• Manufactured to tight wall concentricity, which helps ensure proper bullet seating and a uniform bullet release for consistent velocity and accuracy.
• Held to uniform case wall thickness, a factor benchrest and dangerous-game reloaders alike rely on for consistency.
• Hornady’s quality control targets more usable reloads per case rather than treating brass as a one-and-done commodity.
• Case-to-case consistent weight and capacity within the same caliber and lot supports repeatable pressures, velocity, and accuracy.

Frequently Asked Questions

Are these cases primed? No. They are sold unprimed, so you select and seat your own primers.

How many cases come in a box? This listing is packaged 20 cases per box.

Why does case wall concentricity matter? Higher concentricity helps the bullet seat squarely in both the case and the chamber and release uniformly on firing, supporting consistent velocity and accuracy.

Buy the Hornady Unprimed Brass Rifle Cartridge Cases, .450-400 Nitro Express 3-inch

Order Hornady Unprimed Brass Cases for .450-400 Nitro Express through our reloading brass selection. Order it from our Lubbock, Texas gun shop for fast, insured shipping.