Winchester Reloading Brass 7x57mm Mauser (7mm Mauser) Bag of 50

Product #: 558835 Winchester #: WSC7MMAU (50) UPC #: 2089263280

Product Information

Winchester makes the highest quality brass available, and each and every piece is made to meet and exceed the most demanding quality control and performance standards in the industry. New, unprimed brass. This is not loaded ammunition.

Preparation:
  • Due to the manufacturing process and/or shipping, case mouths may not be perfectly round. To ensure a round case mouth, cases must be sized (or have the expander ball of the sizing die run through case neck) and deburred/Chamfered prior to loading.

    Note:
  • A light "staining" may be found on the case neck of new brass. This is due to annealing. Annealing is a process, performed by the manufacturer, which involves rapid heating to a specified temperature followed by rapid cooling. This process imparts cases with the proper hardness to securely hold a bullet as well as gives flexibility to expand and contract upon firing and repeated forming. The "staining" is a residue from this process. This stain may be removed by tumbling before loading. Brass should be full-length sized, trimmed and chamfered before loading.
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