Peterson Cartridge 257 Weatherby Magnum Rifle Brass (Peterson Cartridge part no. 40063-P) gives handloaders precision, unprimed cartridge cases sized for the 257 Weatherby Magnum cartridge, packaged here in a 250-count bulk pack for shooters who load in volume. Buying bulk cuts down on the per-case cost and the number of reorders for anyone running a high-round-count load development or match season. Peterson Cartridge brass is built for handloaders who want consistent case dimensions from piece to piece, a detail that matters when you’re chasing tight, repeatable groups on a hard-hitting magnum cartridge.

Key Specifications

• Sized for the 257 Weatherby Magnum cartridge.
• Sold as unprimed rifle brass for handloading.
• Packaged as a 250-count bulk pack.

Frequently Asked Questions

Is this brass primed? No, this is unprimed brass for handloaders who prime their own cases.

How is this brass packaged? As a 250-count bulk pack.

Buy Peterson Cartridge 257 Weatherby Mag Rifle Brass

Stock up on precision 257 Weatherby Magnum brass in bulk. Order Peterson Cartridge Brass from our reloading supplies lineup at Peterson Cartridge and load with confidence. Order it from our Lubbock, Texas gun shop for fast, direct shipping.