Winchester makes the highest quality ammunition components available to the reloader. And each and every component is made to meet and exceed the most demanding quality control and performance standards in the industry.

Winchester rifle cases are engineered to precise tolerances to ensure smooth feeding and positive chambering.

Winchester 223 Remington Unprimed Rifle Brass in stock

For high quality Winchester Unprimed Brass Rifle Cartridge Cases – 100/box are preferred by many hunters and competitive shooters.

During manufacturing cases go through annealing to produce the correct hardness that holds the bullet securely in place but also provides flexibility when firing.

Winchester 223 Remington Unprimed Rifle Brass available

Because of this the cases may have a light stain near the neck. Sometimes the cases arrive with imperfect mouths due to manufacturing or shipping. For reloading the mouth needs to be resized as well as chamfered and deburred.

If wanted an expander ball can be pushed through the neck in line with the sizing die.