Competitive shooters and game hunters prefer Winchester Unprimed 30-40 krag Brass Rifle Cartridge Cases – 50/box for reloading for maximum accuracy and performance. The company adheres to a very strict manufacturing regimen in order to produce the best cases possible. Annealing is performed as part of this process, and as a result, the cases may have a slight stain near the neck.
Cases may arrive with imperfect round mouths due to shifts during the manufacturing or shipping process. As a result, Winchester advises customers that these cases must be sized, deburred, and chamfered before loading.