Winchester Reloading Brass is manufactured to extremely tight tolerances to ensure smooth feeding and positive chambering. Consistent case-to-case weight and capacity delivers outstanding accuracy. Winchester’s high quality, durable brass can be reloaded several times. New, unprimed brass. This is not loaded ammunition.

Technical InformationCaliber: 300 Win MagFinish: Brass

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.