Nosler .338 RUM Unprimed Rifle Brass (brand part no. 11912) brings premium-quality .338 RUM cases bearing the Nosler head stamp to the reloading bench in a 25-count box. Nosler custom brass is weight-sorted for maximum accuracy and consistency potential, which is why long-range shooters and hunters reach for it when a load has to perform on the first shot. It’s a strong choice for handloaders building precision .338 RUM ammunition who want case-to-case uniformity they can trust.

Key Specifications

• Chambered for .338 RUM, matching factory case dimensions for this cartridge.
• Packaged 25-Count, a practical batch size for load development and testing.
• Classified as rifle brass, built with the case head and body taper .338 RUM reloading dies expect.
• Cases are weight-sorted, giving each one matched internal capacity for consistent pressures and velocities.
• Carries the Nosler head stamp, marking it as premium custom brass rather than bulk commodity brass.
• Made in the USA, built to Nosler’s own quality-control standard for handloading components.
• Ships at approximately 1.16 lbs per box, useful for planning bulk brass orders.
• Sold unprimed, so you select your own large rifle primer at the bench.

Frequently Asked Questions

What caliber is this brass? It is .338 RUM brass, sized for rifle reloading.

Does it come with primers installed? No, these cases are unprimed so you can seat the primer of your choice.

How many cases are in a box? Each box contains 25-count.

Buy the Nosler .338 RUM Unprimed Rifle Brass

Load precision .338 RUM ammunition on weight-sorted Nosler brass built for consistency. Order from our reloading brass lineup at Nosler and Schaefer Defense will ship it fast, direct to your door from our Lubbock, Texas gun shop.