Nosler 300 RUM Premium Brass (25ct)
The Nosler 300 RUM Premium Brass (25ct) offers match-grade cartridge cases engineered for high-performance reloaders who demand precision, consistency, and longevity. Crafted from premium brass and manufactured to Nosler’s tight dimensional standards, each case is trimmed, chamfered, deburred, and annealed—ready for immediate loading without additional case prep.
Specifically designed for the 300 RUM platform, this brass features uniform neck wall thickness, concentric neck geometry, and precise head dimensions to ensure consistent internal volume and controlled chamber pressure. These characteristics are essential for developing long-range hunting loads or high-energy match rounds using the 300 RUM cartridge. Clean primer pockets and flash holes support uniform ignition and tight velocity spreads.
Nosler’s annealing process strengthens case necks and shoulders, preserving proper neck tension and reducing springback through multiple reload cycles. Whether you’re loading light, long-distance rounds or heavy big-game projectiles, this brass provides consistent bullet seating and reliable chamber fit. Its structural integrity ensures predictable pressure behavior every time you reload the 300 Remington Ultra Magnum cartridge.
Packaged in a 25-count box, Nosler 300 RUM Premium Brass is compatible with standard reloading dies and equipment for this caliber. The factory-prepped finish eliminates the need for trimming or chamfering, saving reloaders valuable bench time. Dimensional uniformity and match-grade consistency make this brass a reliable choice for precision shooters and high-volume reloaders alike.
Each production lot undergoes rigorous quality control to ensure consistent metallurgy, wall thickness, and headspace tolerances straight from the box. Reloaders will benefit from reduced case-to-case variation and improved seating alignment—leading to tighter groupings and more accurate performance downrange with the 300 RUM cartridge.
This is a brass component only and is not loaded ammunition. It does not include bullets, powder, or primers. This brass provides serious reloaders with a dependable, high-quality foundation—ideal for maximizing accuracy, consistency, and performance with the 300 RUM cartridge.
Product Information
| Manufacturer | Nosler |
|---|---|
| Component Type | Rifle |
| Caliber | 300 RUM |
| Condition | New |
| Headstamp | Nosler |
| Product Line | Nosler Premium Brass |
| Box Qty | 25 |
