Peterson Cartridge200188599
Peterson 40059-P 6.5-300 Wby 250$573.74
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Availability: In Stock
Peterson Cartridge brass represents the foundation of accurate, consistent reloads—and the Peterson 40063-P 257 Wby 250-count box is built for serious handloaders working with the .257 Weatherby Magnum. Whether you're developing loads for a long-range hunting rifle or fine-tuning precision at the range, quality brass is where consistency begins. Peterson cases are manufactured with tight tolerances and attention to detail, making them a dependable choice for reloaders who demand repeatable results.
The .257 Weatherby Magnum is a potent magnum cartridge favored by hunters pursuing mid-sized game at extended range and by precision shooters chasing velocity and flat trajectories. Reloading your own ammunition lets you tailor your loads to your rifle and your shooting goals—and starting with quality Peterson brass cuts down on sorting, prep work, and variables that rob you of consistency. A 250-count bulk box means fewer trips to restock and better economy for serious handloaders running high round counts.
Peterson Cartridge has earned respect in the reloading community for producing brass that minimizes case-to-case variation and handles the pressures of magnum cartridges. These cases are ready for your tumbler, primer pocket uniforming, and load development—no surprises, just reliable brass that lets you focus on what matters: building accurate ammunition.
| Cartridge | .257 Weatherby Magnum |
| Quantity | 250 cases |
| Manufacturer | Peterson Cartridge |
| Part Number | 40063-P |
.257 Weatherby Magnum is a high-velocity magnum cartridge used for hunting medium-sized game at extended range and for precision rifle competition. Reloading your own ammunition allows you to optimize performance for your specific rifle and hunting or shooting application.
A 250-count bulk box reduces the cost per case and minimizes reordering for handloaders who shoot frequently. For those developing loads or running high round counts, bulk purchasing makes economical sense.
Peterson Cartridge is known for producing brass with consistent quality and tight tolerances, making it reliable for the higher pressures associated with magnum cartridges like the .257 Weatherby Magnum.
Like all new brass, Peterson cases benefit from standard handloading preparation—tumbling, primer pocket cleaning, and uniforming. Start with quality brass from the outset to minimize variables in your reload.
SKU: 200188181 • Width: 10.5in • Height: 5.2in • Depth: 10.5in • Weight: 9.425oz
Availability: In Stock
Peterson Cartridge brass represents the foundation of accurate, consistent reloads—and the Peterson 40063-P 257 Wby 250-count box is built for serious handloaders working with the .257 Weatherby Magnum. Whether you're developing loads for a long-range hunting rifle or fine-tuning precision at the range, quality brass is where consistency begins. Peterson cases are manufactured with tight tolerances and attention to detail, making them a dependable choice for reloaders who demand repeatable results.
The .257 Weatherby Magnum is a potent magnum cartridge favored by hunters pursuing mid-sized game at extended range and by precision shooters chasing velocity and flat trajectories. Reloading your own ammunition lets you tailor your loads to your rifle and your shooting goals—and starting with quality Peterson brass cuts down on sorting, prep work, and variables that rob you of consistency. A 250-count bulk box means fewer trips to restock and better economy for serious handloaders running high round counts.
Peterson Cartridge has earned respect in the reloading community for producing brass that minimizes case-to-case variation and handles the pressures of magnum cartridges. These cases are ready for your tumbler, primer pocket uniforming, and load development—no surprises, just reliable brass that lets you focus on what matters: building accurate ammunition.
| Cartridge | .257 Weatherby Magnum |
| Quantity | 250 cases |
| Manufacturer | Peterson Cartridge |
| Part Number | 40063-P |
.257 Weatherby Magnum is a high-velocity magnum cartridge used for hunting medium-sized game at extended range and for precision rifle competition. Reloading your own ammunition allows you to optimize performance for your specific rifle and hunting or shooting application.
A 250-count bulk box reduces the cost per case and minimizes reordering for handloaders who shoot frequently. For those developing loads or running high round counts, bulk purchasing makes economical sense.
Peterson Cartridge is known for producing brass with consistent quality and tight tolerances, making it reliable for the higher pressures associated with magnum cartridges like the .257 Weatherby Magnum.
Like all new brass, Peterson cases benefit from standard handloading preparation—tumbling, primer pocket cleaning, and uniforming. Start with quality brass from the outset to minimize variables in your reload.
SKU: 200188181 • Width: 10.5in • Height: 5.2in • Depth: 10.5in • Weight: 9.425oz