Weatherby Unprimed Cases Features The Weatherby Unprimed Cases in .280 Ackley are manufactured from brass to Weatherby s own precision standards the same standards applied to their magnum ammunition lines. CNC-machined primer pockets are produced to match-grade specifications ensuring consistent primer seating depth and uniform ignition from case to case. This consistency is critical for handloaders chasing tight groups since variance in primer pocket dimensions is a common source of accuracy loss. Because these are unprimed handloaders retain full control over primer selection to fine tune their load for a specific rifle. Built specifically for rifle applications this brass is intended for reloaders working up loads in .280 Ackley Improved chambered rifles. Uniform case dimensions help ensure reliable chambering and consistent case life across multiple reloading cycles. Handloaders should note that this product is component brass only not a loaded cartridge and must be primed charged with powder and fitted with a bullet before use. Packaged 50 to a box this Weatherby brass gives serious handloaders a dependable foundation for precision .280 Ackley loads available for sale at GrabAGun. Weatherby Unprimed Cases Specifications Manufacturer: Weatherby Model: Unprimed Cases Caliber: .280 AI Material: Brass Firearm Type: Rifle Quantity: 50 Per Box Available At: GrabAGun