
Availability: In Stock
The Weatherby Unprimed Brass Cases .280 Ackley Improved (50-pack) gives you premium, unprimed rifle brass from a maker known for precision ammunition manufacturing. These cases are purpose-built for handloaders who demand consistency and quality in their long-range and hunting loads. Each case is CNC-machined at the primer pocket for exacting tolerances and meets Weatherby's strict quality standards—a solid foundation for building ammunition that performs when it matters.
Out of the box, these cases arrive ready for the handloader's bench, but like any quality brass, they'll benefit from your prep work. You'll want to resize, deburr, and chamfer the cases before loading to account for any slight variances from manufacturing or transit that might affect bullet seating or case concentricity. If you notice light staining near the neck on some cases, that's a normal byproduct of the annealing process Weatherby uses during production—a controlled heating and cooling cycle that ensures the brass retains the flexibility and ductility needed to grip your bullets securely and handle repeated firing cycles.
A 50-case box is a sensible starting quantity for testing loads and building up your brass inventory without overcommitting to a single batch. If you're developing precision loads for a .280 AI rifle or stocking components for consistent production, Weatherby brass gives you a reliable platform to work from. Handloaders who value both precision manufacturing and the ability to dial in their own ballistics will find these cases a worthwhile choice.
| Product Type | Unprimed Rifle Brass |
| Caliber | .280 Ackley Improved |
| Quantity | 50 cases |
| Primer Pocket | CNC-machined |
| Brand | Weatherby |
Yes. Before reloading, you should resize, deburr, and chamfer the cases to ensure optimal bullet seating and case neck concentricity. This prep work accounts for any minor variations from manufacturing or shipping.
Light staining near the neck is a normal byproduct of Weatherby's annealing process—a controlled heating and cooling cycle applied during manufacturing. It does not affect case performance and ensures the brass has the flexibility and strength needed for reliable bullet grip and repeated firing.
No, these are unprimed cases. You will need to install primers separately as part of your handloading process.
A 50-case box is a good starting point for developing and testing loads, or for building your brass inventory. Many handloaders begin with one box to work up loads before committing to larger quantities.

SKU: 121687415 • Width: 4.3in • Height: 4.3in • Depth: 6.3in • Weight: 1.6oz





Availability: In Stock
The Weatherby Unprimed Brass Cases .280 Ackley Improved (50-pack) gives you premium, unprimed rifle brass from a maker known for precision ammunition manufacturing. These cases are purpose-built for handloaders who demand consistency and quality in their long-range and hunting loads. Each case is CNC-machined at the primer pocket for exacting tolerances and meets Weatherby's strict quality standards—a solid foundation for building ammunition that performs when it matters.
Out of the box, these cases arrive ready for the handloader's bench, but like any quality brass, they'll benefit from your prep work. You'll want to resize, deburr, and chamfer the cases before loading to account for any slight variances from manufacturing or transit that might affect bullet seating or case concentricity. If you notice light staining near the neck on some cases, that's a normal byproduct of the annealing process Weatherby uses during production—a controlled heating and cooling cycle that ensures the brass retains the flexibility and ductility needed to grip your bullets securely and handle repeated firing cycles.
A 50-case box is a sensible starting quantity for testing loads and building up your brass inventory without overcommitting to a single batch. If you're developing precision loads for a .280 AI rifle or stocking components for consistent production, Weatherby brass gives you a reliable platform to work from. Handloaders who value both precision manufacturing and the ability to dial in their own ballistics will find these cases a worthwhile choice.
| Product Type | Unprimed Rifle Brass |
| Caliber | .280 Ackley Improved |
| Quantity | 50 cases |
| Primer Pocket | CNC-machined |
| Brand | Weatherby |
Yes. Before reloading, you should resize, deburr, and chamfer the cases to ensure optimal bullet seating and case neck concentricity. This prep work accounts for any minor variations from manufacturing or shipping.
Light staining near the neck is a normal byproduct of Weatherby's annealing process—a controlled heating and cooling cycle applied during manufacturing. It does not affect case performance and ensures the brass has the flexibility and strength needed for reliable bullet grip and repeated firing.
No, these are unprimed cases. You will need to install primers separately as part of your handloading process.
A 50-case box is a good starting point for developing and testing loads, or for building your brass inventory. Many handloaders begin with one box to work up loads before committing to larger quantities.
SKU: 121687415 • Width: 4.3in • Height: 4.3in • Depth: 6.3in • Weight: 1.6oz
