Nosler Custom Brass 300 RUM Unprimed Cases Box 25

• Nosler Custom Brass for 300 Remington Ultra Magnum (RUM) — new and unprimed, not loaded ammunition
• Box of 25 cases
• Weight-sorted lot for consistent case capacity and more uniform loads
• Case mouths chamfered and deburred, flash holes deburred, before shipment
• Fully prepped and ready to load on receipt
• Consistent trimmed length and neck wall thickness case to case
• Genuine Nosler head-stamp

Nosler Custom Brass in 300 Remington Ultra Magnum is new, unprimed rifle brass developed to complement Nosler's own line of custom bullets — this is brass only, not loaded ammunition. Each lot is weight-sorted so every case in the box is matched for consistent capacity, and every piece carries the Nosler head-stamp. Before shipment, Nosler chamfers and deburrs the case mouths and deburrs the flash holes, so the brass arrives fully prepped and ready to load rather than needing a first pass of case prep on the bench. Trimmed length and neck wall thickness are held consistent piece to piece, which counts for a lot in a big-cased, hard-hitting calibre like 300 RUM, where UK stalkers and long-range shooters want every case behaving the same way at the press and at the muzzle. Less variation in the brass means more consistent neck tension and more repeatable pressures round to round. Supplied in a box of 25 pieces.

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