Weatherby .257 Weatherby Magnum Unprimed Rifle Brass

The Weatherby .257 Weatherby Magnum Unprimed Rifle Brass (Weatherby part no. BRASS257) gives handloaders a box of 20 precision unprimed rifle cases built for the .257 Weatherby Magnum cartridge. Weatherby manufactures this brass to consistent internal and external dimensions, which keeps chamber pressure and velocity predictable from round to round. It’s the brass handloaders reach for when building accurate, repeatable rifle loads for hunting, competition, or long-range precision work. Shipping unprimed, it leaves primer selection entirely up to you.

Key Specifications

• .257 Weatherby Magnum chambering matches this cartridge’s published case dimensions for a correct, safe fit.
• 20-case box gives handloaders enough brass for several reloading sessions before reordering.
• Unprimed condition lets you seat the primer of your choice to fine-tune ignition for your specific load.
• Bottleneck rifle case construction is built for reloading, not for use as loaded ammunition.
• Magnum-class case construction is built to handle the higher pressures of this belted or beltless magnum chambering.
• Norma Precision Brass construction supplies the raw case for this Weatherby-spec cartridge.
• CNC-machined primer pockets are cut to match-grade specifications for consistent primer seating.
• Approximate box weight of 0.75 lb is useful for planning shipping on bulk brass orders.

Frequently Asked Questions

Is this brass primed? No. It ships unprimed so you can seat the primer of your choice for your specific load.

What caliber is this Weatherby brass for? It’s manufactured for the .257 Weatherby Magnum rifle cartridge.

How many cases come in a box? Each box contains 20 unprimed cases.

Buy the Weatherby .257 Weatherby Magnum Unprimed Rifle Brass

Stock up on Weatherby .257 Weatherby Magnum Unprimed Rifle Brass for your next reloading session. Order through Weatherby’s brand lineup in our reloading brass selection, and our Lubbock, Texas team can help you match primers, powder, and bullets to round out the load.